51401332993163 has 2 divisors, whose sum is σ = 51401332993164. Its totient is φ = 51401332993162.

The previous prime is 51401332993139. The next prime is 51401332993169. The reversal of 51401332993163 is 36139923310415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51401332993163 - 2¹⁶ = 51401332927627 is a prime.

It is not a weakly prime, because it can be changed into another prime (51401332993169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25700666496581 + 25700666496582.

It is an arithmetic number, because the mean of its divisors is an integer number (25700666496582).

Almost surely, 2^{51401332993163} is an apocalyptic number.

51401332993163 is a deficient number, since it is larger than the sum of its proper divisors (1).

51401332993163 is an equidigital number, since it uses as much as digits as its factorization.

51401332993163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1574640, while the sum is 50.

The spelling of 51401332993163 in words is "fifty-one trillion, four hundred one billion, three hundred thirty-two million, nine hundred ninety-three thousand, one hundred sixty-three".