13958578572 has 48 divisors (see below), whose sum is σ = 33274429440. Its totient is φ = 4553273088.

The previous prime is 13958578567. The next prime is 13958578657. The reversal of 13958578572 is 27587585931.

It is a zygodrome in base 2.

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, 41973 + ... + 172275.

It is an arithmetic number, because the mean of its divisors is an integer number (693217280).

Almost surely, 2^13958578572 is an apocalyptic number.

13958578572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13958578572 is an abundant number, since it is smaller than the sum of its proper divisors (19315850868).

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

13958578572 is a wasteful number, since it uses less digits than its factorization.

13958578572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130502 (or 130500 counting only the distinct ones).

The product of its digits is 21168000, while the sum is 60.

The spelling of 13958578572 in words is "thirteen billion, nine hundred fifty-eight million, five hundred seventy-eight thousand, five hundred seventy-two".