513810863974 has 8 divisors (see below), whose sum is σ = 787114515168. Its totient is φ = 251439358920.

The previous prime is 513810863941. The next prime is 513810863981. The reversal of 513810863974 is 479368018315.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2733036417 + ... + 2733036604.

It is an arithmetic number, because the mean of its divisors is an integer number (98389314396).

Almost surely, 2^513810863974 is an apocalyptic number.

513810863974 is a deficient number, since it is larger than the sum of its proper divisors (273303651194).

513810863974 is a wasteful number, since it uses less digits than its factorization.

513810863974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466073070.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 513810863974 in words is "five hundred thirteen billion, eight hundred ten million, eight hundred sixty-three thousand, nine hundred seventy-four".