3725169978624 has 144 divisors (see below), whose sum is σ = 10472211154944. Its totient is φ = 1173721651200.

The previous prime is 3725169978619. The next prime is 3725169978631. The reversal of 3725169978624 is 4268799615273.

3725169978624 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795642 + ... + 2843129.

It is an arithmetic number, because the mean of its divisors is an integer number (72723688576).

Almost surely, 2^{3725169978624} is an apocalyptic number.

It is an amenable number.

3725169978624 is an abundant number, since it is smaller than the sum of its proper divisors (6747041176320).

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

3725169978624 is a wasteful number, since it uses less digits than its factorization.

3725169978624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638864 (or 3638850 counting only the distinct ones).

The product of its digits is 274337280, while the sum is 69.

The spelling of 3725169978624 in words is "three trillion, seven hundred twenty-five billion, one hundred sixty-nine million, nine hundred seventy-eight thousand, six hundred twenty-four".