51269633210839 has 2 divisors, whose sum is σ = 51269633210840. Its totient is φ = 51269633210838.

The previous prime is 51269633210797. The next prime is 51269633210891. The reversal of 51269633210839 is 93801233696215.

51269633210839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51269633210839 - 2²³ = 51269624822231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51269633216839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25634816605419 + 25634816605420.

It is an arithmetic number, because the mean of its divisors is an integer number (25634816605420).

Almost surely, 2^{51269633210839} is an apocalyptic number.

51269633210839 is a deficient number, since it is larger than the sum of its proper divisors (1).

51269633210839 is an equidigital number, since it uses as much as digits as its factorization.

51269633210839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12597120, while the sum is 58.

The spelling of 51269633210839 in words is "fifty-one trillion, two hundred sixty-nine billion, six hundred thirty-three million, two hundred ten thousand, eight hundred thirty-nine".