51334644523 has 2 divisors, whose sum is σ = 51334644524. Its totient is φ = 51334644522.

The previous prime is 51334644511. The next prime is 51334644659. The reversal of 51334644523 is 32544643315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51334644523 - 2²⁵ = 51301090091 is a prime.

It is not a weakly prime, because it can be changed into another prime (51334644223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25667322261 + 25667322262.

It is an arithmetic number, because the mean of its divisors is an integer number (25667322262).

Almost surely, 2^51334644523 is an apocalyptic number.

51334644523 is a deficient number, since it is larger than the sum of its proper divisors (1).

51334644523 is an equidigital number, since it uses as much as digits as its factorization.

51334644523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 40.

The spelling of 51334644523 in words is "fifty-one billion, three hundred thirty-four million, six hundred forty-four thousand, five hundred twenty-three".