516501862399 has 6 divisors (see below), whose sum is σ = 539934839696. Its totient is φ = 494045259180.

The previous prime is 516501862379. The next prime is 516501862543. The reversal of 516501862399 is 993268105615.

It is not a de Polignac number, because 516501862399 - 2¹⁵ = 516501829631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516501862379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 488186487 + ... + 488187544.

Almost surely, 2^516501862399 is an apocalyptic number.

516501862399 is a deficient number, since it is larger than the sum of its proper divisors (23432977297).

516501862399 is an equidigital number, since it uses as much as digits as its factorization.

516501862399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976374077 (or 976374054 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 516501862399 in words is "five hundred sixteen billion, five hundred one million, eight hundred sixty-two thousand, three hundred ninety-nine".