513998294346 has 24 divisors (see below), whose sum is σ = 1115368452900. Its totient is φ = 171070382976.

The previous prime is 513998294297. The next prime is 513998294351. The reversal of 513998294346 is 643492899315.

513998294346 is a `hidden beast` number, since 51 + 399 + 82 + 94 + 34 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 510889005225 + 3109289121 = 714765^2 + 55761^2 .

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21853071 + ... + 21876578.

Almost surely, 2^513998294346 is an apocalyptic number.

513998294346 is an abundant number, since it is smaller than the sum of its proper divisors (601370158554).

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

513998294346 is a wasteful number, since it uses less digits than its factorization.

513998294346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43730310 (or 43730307 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 513998294346 in words is "five hundred thirteen billion, nine hundred ninety-eight million, two hundred ninety-four thousand, three hundred forty-six".