51079962361 has 2 divisors, whose sum is σ = 51079962362. Its totient is φ = 51079962360.

The previous prime is 51079962347. The next prime is 51079962383. The reversal of 51079962361 is 16326997015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43779285225 + 7300677136 = 209235^2 + 85444^2 .

It is a cyclic number.

It is not a de Polignac number, because 51079962361 - 2⁷ = 51079962233 is a prime.

It is not a weakly prime, because it can be changed into another prime (51079962331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25539981180 + 25539981181.

It is an arithmetic number, because the mean of its divisors is an integer number (25539981181).

Almost surely, 2^51079962361 is an apocalyptic number.

It is an amenable number.

51079962361 is a deficient number, since it is larger than the sum of its proper divisors (1).

51079962361 is an equidigital number, since it uses as much as digits as its factorization.

51079962361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 51079962361 in words is "fifty-one billion, seventy-nine million, nine hundred sixty-two thousand, three hundred sixty-one".