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9974486369 = 59169059091
BaseRepresentation
bin10010100101000011…
…01001010101100001
3221202010202102000002
421102201221111201
5130411432030434
64325431505345
7502114510121
oct112241512541
927663672002
109974486369
114259379271
121b24528255
13c2c626553
146a8a00c81
153d5a1d57e
hex252869561

9974486369 has 4 divisors (see below), whose sum is σ = 10143545520. Its totient is φ = 9805427220.

The previous prime is 9974486363. The next prime is 9974486371. The reversal of 9974486369 is 9636844799.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-9974486369 is a prime.

It is a super-2 number, since 2×99744863692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9974486363) 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, 84529487 + ... + 84529604.

It is an arithmetic number, because the mean of its divisors is an integer number (2535886380).

Almost surely, 29974486369 is an apocalyptic number.

It is an amenable number.

9974486369 is a deficient number, since it is larger than the sum of its proper divisors (169059151).

9974486369 is a wasteful number, since it uses less digits than its factorization.

9974486369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169059150.

The product of its digits is 70543872, while the sum is 65.

The square root of 9974486369 is about 99872.3503728635. The cubic root of 9974486369 is about 2152.6008811859.

The spelling of 9974486369 in words is "nine billion, nine hundred seventy-four million, four hundred eighty-six thousand, three hundred sixty-nine".

Divisors: 1 59 169059091 9974486369