51003039089 has 2 divisors, whose sum is σ = 51003039090. Its totient is φ = 51003039088.

The previous prime is 51003039077. The next prime is 51003039103. The reversal of 51003039089 is 98093030015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49892816689 + 1110222400 = 223367^2 + 33320^2 .

It is a cyclic number.

It is not a de Polignac number, because 51003039089 - 2³² = 46708071793 is a prime.

It is not a weakly prime, because it can be changed into another prime (51003039029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25501519544 + 25501519545.

It is an arithmetic number, because the mean of its divisors is an integer number (25501519545).

Almost surely, 2^51003039089 is an apocalyptic number.

It is an amenable number.

51003039089 is a deficient number, since it is larger than the sum of its proper divisors (1).

51003039089 is an equidigital number, since it uses as much as digits as its factorization.

51003039089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The spelling of 51003039089 in words is "fifty-one billion, three million, thirty-nine thousand, eighty-nine".