14921025812 has 48 divisors (see below), whose sum is σ = 34268398080. Its totient is φ = 5507416800.

The previous prime is 14921025811. The next prime is 14921025827. The reversal of 14921025812 is 21852012941.

14921025812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14921025812² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14921025811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1269014 + ... + 1280717.

It is an arithmetic number, because the mean of its divisors is an integer number (713924960).

Almost surely, 2^14921025812 is an apocalyptic number.

It is an amenable number.

14921025812 is an abundant number, since it is smaller than the sum of its proper divisors (19347372268).

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

14921025812 is a wasteful number, since it uses less digits than its factorization.

14921025812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549772 (or 2549770 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The spelling of 14921025812 in words is "fourteen billion, nine hundred twenty-one million, twenty-five thousand, eight hundred twelve".