51306914089 has 2 divisors, whose sum is σ = 51306914090. Its totient is φ = 51306914088.

The previous prime is 51306914083. The next prime is 51306914093. The reversal of 51306914089 is 98041960315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45117158464 + 6189755625 = 212408^2 + 78675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51306914089 is a prime.

It is not a weakly prime, because it can be changed into another prime (51306914083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25653457044 + 25653457045.

It is an arithmetic number, because the mean of its divisors is an integer number (25653457045).

Almost surely, 2^51306914089 is an apocalyptic number.

It is an amenable number.

51306914089 is a deficient number, since it is larger than the sum of its proper divisors (1).

51306914089 is an equidigital number, since it uses as much as digits as its factorization.

51306914089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 51306914089 in words is "fifty-one billion, three hundred six million, nine hundred fourteen thousand, eighty-nine".