4391725872564 has 36 divisors (see below), whose sum is σ = 11337505093824. Its totient is φ = 1432761631632.

The previous prime is 4391725872551. The next prime is 4391725872571. The reversal of 4391725872564 is 4652785271934.

It is a happy number.

4391725872564 is a `hidden beast` number, since 4 + 3 + 9 + 17 + 2 + 58 + 7 + 2 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4391725872564² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1297789642 + ... + 1297793025.

Almost surely, 2^{4391725872564} is an apocalyptic number.

It is an amenable number.

4391725872564 is an abundant number, since it is smaller than the sum of its proper divisors (6945779221260).

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

4391725872564 is a wasteful number, since it uses less digits than its factorization.

4391725872564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595582724 (or 2595582719 counting only the distinct ones).

The product of its digits is 101606400, while the sum is 63.

The spelling of 4391725872564 in words is "four trillion, three hundred ninety-one billion, seven hundred twenty-five million, eight hundred seventy-two thousand, five hundred sixty-four".