513613952839 has 8 divisors (see below), whose sum is σ = 560124272960. Its totient is φ = 468103854816.

The previous prime is 513613952801. The next prime is 513613952849. The reversal of 513613952839 is 938259316315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513613952839 - 2⁷ = 513613952711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 513613952839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513613952849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250054452 + ... + 250056505.

It is an arithmetic number, because the mean of its divisors is an integer number (70015534120).

Almost surely, 2^513613952839 is an apocalyptic number.

513613952839 is a deficient number, since it is larger than the sum of its proper divisors (46510320121).

513613952839 is a wasteful number, since it uses less digits than its factorization.

513613952839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500111049.

The product of its digits is 5248800, while the sum is 55.

The spelling of 513613952839 in words is "five hundred thirteen billion, six hundred thirteen million, nine hundred fifty-two thousand, eight hundred thirty-nine".