14921745860 has 24 divisors (see below), whose sum is σ = 35812190400. Its totient is φ = 5116027104.

The previous prime is 14921745851. The next prime is 14921745877. The reversal of 14921745860 is 6854712941.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53291810 + ... + 53292089.

It is an arithmetic number, because the mean of its divisors is an integer number (1492174600).

Almost surely, 2^14921745860 is an apocalyptic number.

14921745860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14921745860 is an abundant number, since it is smaller than the sum of its proper divisors (20890444540).

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

14921745860 is a wasteful number, since it uses less digits than its factorization.

14921745860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106583915 (or 106583913 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 14921745860 in words is "fourteen billion, nine hundred twenty-one million, seven hundred forty-five thousand, eight hundred sixty".