516801373999 has 2 divisors, whose sum is σ = 516801374000. Its totient is φ = 516801373998.

The previous prime is 516801373927. The next prime is 516801374017. The reversal of 516801373999 is 999373108615.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516801373999 - 2¹⁷ = 516801242927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516801376999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258400686999 + 258400687000.

It is an arithmetic number, because the mean of its divisors is an integer number (258400687000).

Almost surely, 2^516801373999 is an apocalyptic number.

516801373999 is a deficient number, since it is larger than the sum of its proper divisors (1).

516801373999 is an equidigital number, since it uses as much as digits as its factorization.

516801373999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 61.

The spelling of 516801373999 in words is "five hundred sixteen billion, eight hundred one million, three hundred seventy-three thousand, nine hundred ninety-nine".