512900686542 has 16 divisors (see below), whose sum is σ = 1026045603792. Its totient is φ = 170926190400.

The previous prime is 512900686531. The next prime is 512900686553. The reversal of 512900686542 is 245686009215.

It is an interprime number because it is at equal distance from previous prime (512900686531) and next prime (512900686553).

It is a super-2 number, since 2×512900686542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512900686491 and 512900686500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10148973 + ... + 10199384.

It is an arithmetic number, because the mean of its divisors is an integer number (64127850237).

Almost surely, 2^512900686542 is an apocalyptic number.

512900686542 is an abundant number, since it is smaller than the sum of its proper divisors (513144917250).

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

512900686542 is a wasteful number, since it uses less digits than its factorization.

512900686542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20352563.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 512900686542 in words is "five hundred twelve billion, nine hundred million, six hundred eighty-six thousand, five hundred forty-two".