9641418640904 has 32 divisors (see below), whose sum is σ = 18257908559040. Its totient is φ = 4772649624000.

The previous prime is 9641418640879. The next prime is 9641418640927. The reversal of 9641418640904 is 4090468141469.

It is a super-2 number, since 2×9641418640904² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9641418640904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11497637 + ... + 12307659.

It is an arithmetic number, because the mean of its divisors is an integer number (570559642470).

Almost surely, 2^{9641418640904} is an apocalyptic number.

It is an amenable number.

9641418640904 is a deficient number, since it is larger than the sum of its proper divisors (8616489918136).

9641418640904 is a wasteful number, since it uses less digits than its factorization.

9641418640904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824861 (or 824857 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 56.

The spelling of 9641418640904 in words is "nine trillion, six hundred forty-one billion, four hundred eighteen million, six hundred forty thousand, nine hundred four".