51130916713 has 4 divisors (see below), whose sum is σ = 51997542480. Its totient is φ = 50264290948.

The previous prime is 51130916699. The next prime is 51130916729. The reversal of 51130916713 is 31761903115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51130916713 is a prime.

It is a super-2 number, since 2×51130916713² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51130916773) 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, 433312795 + ... + 433312912.

It is an arithmetic number, because the mean of its divisors is an integer number (12999385620).

Almost surely, 2^51130916713 is an apocalyptic number.

It is an amenable number.

51130916713 is a deficient number, since it is larger than the sum of its proper divisors (866625767).

51130916713 is an equidigital number, since it uses as much as digits as its factorization.

51130916713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866625766.

The product of its (nonzero) digits is 17010, while the sum is 37.

The spelling of 51130916713 in words is "fifty-one billion, one hundred thirty million, nine hundred sixteen thousand, seven hundred thirteen".