3915890324964 has 18 divisors (see below), whose sum is σ = 9898500543750. Its totient is φ = 1305296774976.

The previous prime is 3915890324947. The next prime is 3915890324993. The reversal of 3915890324964 is 4694230985193.

3915890324964 is a `hidden beast` number, since 3 + 9 + 1 + 58 + 90 + 3 + 2 + 496 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3519406016064 + 396484308900 = 1876008^2 + 629670^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54387365589 + ... + 54387365660.

It is an arithmetic number, because the mean of its divisors is an integer number (549916696875).

Almost surely, 2^{3915890324964} is an apocalyptic number.

It is an amenable number.

3915890324964 is an abundant number, since it is smaller than the sum of its proper divisors (5982610218786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3915890324964 is a wasteful number, since it uses less digits than its factorization.

3915890324964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108774731259 (or 108774731254 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 3915890324964 in words is "three trillion, nine hundred fifteen billion, eight hundred ninety million, three hundred twenty-four thousand, nine hundred sixty-four".