513763368858 has 48 divisors (see below), whose sum is σ = 1126106841600. Its totient is φ = 169263230400.

The previous prime is 513763368823. The next prime is 513763368961. The reversal of 513763368858 is 858863367315.

It is a happy number.

513763368858 is a `hidden beast` number, since 5 + 137 + 63 + 368 + 85 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 513763368795 and 513763368804.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4069383 + ... + 4193733.

It is an arithmetic number, because the mean of its divisors is an integer number (23460559200).

Almost surely, 2^513763368858 is an apocalyptic number.

513763368858 is an abundant number, since it is smaller than the sum of its proper divisors (612343472742).

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

513763368858 is a wasteful number, since it uses less digits than its factorization.

513763368858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127027 (or 127024 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 513763368858 in words is "five hundred thirteen billion, seven hundred sixty-three million, three hundred sixty-eight thousand, eight hundred fifty-eight".