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4564449869 = 74871338941
BaseRepresentation
bin1000100000000111…
…11111101001001101
3102210002211002002212
410100003333221031
533321444343434
62032532000205
7221053120010
oct42003775115
912702732085
104564449869
111a32570821
12a74760065
13579851015
143142c5377
151baabe8ce
hex1100ffa4d

4564449869 has 8 divisors (see below), whose sum is σ = 5227229568. Its totient is φ = 3904349040.

The previous prime is 4564449821. The next prime is 4564449887. The reversal of 4564449869 is 9689444654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4564449869 - 212 = 4564445773 is a prime.

It is a super-2 number, since 2×45644498692 = 41668405213228234322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4564449569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666062 + ... + 672879.

It is an arithmetic number, because the mean of its divisors is an integer number (653403696).

Almost surely, 24564449869 is an apocalyptic number.

It is an amenable number.

4564449869 is a deficient number, since it is larger than the sum of its proper divisors (662779699).

4564449869 is a wasteful number, since it uses less digits than its factorization.

4564449869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339435.

The product of its digits is 29859840, while the sum is 59.

The square root of 4564449869 is about 67560.7124666400. The cubic root of 4564449869 is about 1658.8080993819.

The spelling of 4564449869 in words is "four billion, five hundred sixty-four million, four hundred forty-nine thousand, eight hundred sixty-nine".

Divisors: 1 7 487 3409 1338941 9372587 652064267 4564449869