516100790813 has 4 divisors (see below), whose sum is σ = 516281437980. Its totient is φ = 515920143648.

The previous prime is 516100790729. The next prime is 516100790827. The reversal of 516100790813 is 318097001615.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 318097001615 = 5 ⋅63619400323.

It can be written as a sum of positive squares in 2 ways, for example, as 297027180004 + 219073610809 = 545002^2 + 468053^2 .

It is a cyclic number.

It is not a de Polignac number, because 516100790813 - 2¹⁴ = 516100774429 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 (516100790713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90319298 + ... + 90325011.

It is an arithmetic number, because the mean of its divisors is an integer number (129070359495).

Almost surely, 2^516100790813 is an apocalyptic number.

It is an amenable number.

516100790813 is a deficient number, since it is larger than the sum of its proper divisors (180647167).

516100790813 is a wasteful number, since it uses less digits than its factorization.

516100790813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180647166.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 516100790813 in words is "five hundred sixteen billion, one hundred million, seven hundred ninety thousand, eight hundred thirteen".