51624846089 has 2 divisors, whose sum is σ = 51624846090. Its totient is φ = 51624846088.

The previous prime is 51624846041. The next prime is 51624846109. The reversal of 51624846089 is 98064842615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38028120064 + 13596726025 = 195008^2 + 116605^2 .

It is a cyclic number.

It is not a de Polignac number, because 51624846089 - 2²⁰ = 51623797513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51624846089.

It is not a weakly prime, because it can be changed into another prime (51624848089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25812423044 + 25812423045.

It is an arithmetic number, because the mean of its divisors is an integer number (25812423045).

Almost surely, 2^51624846089 is an apocalyptic number.

It is an amenable number.

51624846089 is a deficient number, since it is larger than the sum of its proper divisors (1).

51624846089 is an equidigital number, since it uses as much as digits as its factorization.

51624846089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 51624846089 in words is "fifty-one billion, six hundred twenty-four million, eight hundred forty-six thousand, eighty-nine".