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3874421674869 = 31291473891623
BaseRepresentation
bin111000011000010101100…
…001110001001101110101
3111201101120002220210221020
4320120111201301031311
51001434303422043434
612123515034411353
7546626531600124
oct70302541611565
914641502823836
103874421674869
111264151036299
12526a7bb90b59
13221483005785
14d57471d1abb
156abb1412849
hex38615871375

3874421674869 has 4 divisors (see below), whose sum is σ = 5165895566496. Its totient is φ = 2582947783244.

The previous prime is 3874421674867. The next prime is 3874421674873. The reversal of 3874421674869 is 9684761244783.

3874421674869 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3874421674869 - 21 = 3874421674867 is a prime.

It is a super-2 number, since 2×38744216748692 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3874421674867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645736945809 + ... + 645736945814.

It is an arithmetic number, because the mean of its divisors is an integer number (1291473891624).

Almost surely, 23874421674869 is an apocalyptic number.

It is an amenable number.

3874421674869 is a deficient number, since it is larger than the sum of its proper divisors (1291473891627).

3874421674869 is a wasteful number, since it uses less digits than its factorization.

3874421674869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291473891626.

The product of its digits is 390168576, while the sum is 69.

The spelling of 3874421674869 in words is "three trillion, eight hundred seventy-four billion, four hundred twenty-one million, six hundred seventy-four thousand, eight hundred sixty-nine".

Divisors: 1 3 1291473891623 3874421674869