513254512942 has 64 divisors (see below), whose sum is σ = 855148492800. Its totient is φ = 230167042560.

The previous prime is 513254512919. The next prime is 513254513003. The reversal of 513254512942 is 249215452315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6682534 + ... + 6758902.

It is an arithmetic number, because the mean of its divisors is an integer number (13361695200).

Almost surely, 2^513254512942 is an apocalyptic number.

513254512942 is a deficient number, since it is larger than the sum of its proper divisors (341893979858).

513254512942 is a wasteful number, since it uses less digits than its factorization.

513254512942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76561.

The product of its digits is 432000, while the sum is 43.

The spelling of 513254512942 in words is "five hundred thirteen billion, two hundred fifty-four million, five hundred twelve thousand, nine hundred forty-two".