9641925313 has 4 divisors (see below), whose sum is σ = 9649810368. Its totient is φ = 9634040260.

The previous prime is 9641925301. The next prime is 9641925323. The reversal of 9641925313 is 3135291469.

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 not a de Polignac number, because 9641925313 - 2⁵ = 9641925281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9641925313.

It is not an unprimeable number, because it can be changed into a prime (9641925323) 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, 3940693 + ... + 3943138.

It is an arithmetic number, because the mean of its divisors is an integer number (2412452592).

Almost surely, 2^9641925313 is an apocalyptic number.

It is an amenable number.

9641925313 is a deficient number, since it is larger than the sum of its proper divisors (7885055).

9641925313 is a wasteful number, since it uses less digits than its factorization.

9641925313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7885054.

The product of its digits is 174960, while the sum is 43.

The square root of 9641925313 is about 98193.3058461726. The cubic root of 9641925313 is about 2128.4065545783.

The spelling of 9641925313 in words is "nine billion, six hundred forty-one million, nine hundred twenty-five thousand, three hundred thirteen".