10081925021 has 16 divisors (see below), whose sum is σ = 12459557376. Its totient is φ = 7960263936.

The previous prime is 10081925017. The next prime is 10081925047. The reversal of 10081925021 is 12052918001.

It is a cyclic number.

It is not a de Polignac number, because 10081925021 - 2² = 10081925017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10081925011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895706 + ... + 906891.

It is an arithmetic number, because the mean of its divisors is an integer number (778722336).

Almost surely, 2^10081925021 is an apocalyptic number.

It is an amenable number.

10081925021 is a deficient number, since it is larger than the sum of its proper divisors (2377632355).

10081925021 is a wasteful number, since it uses less digits than its factorization.

10081925021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802668.

The product of its (nonzero) digits is 1440, while the sum is 29.

The spelling of 10081925021 in words is "ten billion, eighty-one million, nine hundred twenty-five thousand, twenty-one".