512136894470 has 16 divisors (see below), whose sum is σ = 921864304800. Its totient is φ = 204850781184.

The previous prime is 512136894383. The next prime is 512136894553. The reversal of 512136894470 is 74498631215.

It is a happy number.

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, 75206 + ... + 1014854.

It is an arithmetic number, because the mean of its divisors is an integer number (57616519050).

It is a 1-persistent number, because it is pandigital, but 2⋅512136894470 = 1024273788940 is not.

Almost surely, 2^512136894470 is an apocalyptic number.

512136894470 is a deficient number, since it is larger than the sum of its proper divisors (409727410330).

512136894470 is a wasteful number, since it uses less digits than its factorization.

512136894470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994159.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 512136894470 in words is "five hundred twelve billion, one hundred thirty-six million, eight hundred ninety-four thousand, four hundred seventy".