51500622457073 has 2 divisors, whose sum is σ = 51500622457074. Its totient is φ = 51500622457072.

The previous prime is 51500622457061. The next prime is 51500622457139. The reversal of 51500622457073 is 37075422600515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44666538989809 + 6834083467264 = 6683303^2 + 2614208^2 .

It is a cyclic number.

It is not a de Polignac number, because 51500622457073 - 2⁸ = 51500622456817 is a prime.

It is a super-2 number, since 2×51500622457073² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51500622457033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25750311228536 + 25750311228537.

It is an arithmetic number, because the mean of its divisors is an integer number (25750311228537).

Almost surely, 2^{51500622457073} is an apocalyptic number.

It is an amenable number.

51500622457073 is a deficient number, since it is larger than the sum of its proper divisors (1).

51500622457073 is an equidigital number, since it uses as much as digits as its factorization.

51500622457073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 51500622457073 in words is "fifty-one trillion, five hundred billion, six hundred twenty-two million, four hundred fifty-seven thousand, seventy-three".