51179199263 has 2 divisors, whose sum is σ = 51179199264. Its totient is φ = 51179199262.

The previous prime is 51179199173. The next prime is 51179199289. The reversal of 51179199263 is 36299197115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51179199263 - 2²⁰ = 51178150687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51179190263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25589599631 + 25589599632.

It is an arithmetic number, because the mean of its divisors is an integer number (25589599632).

Almost surely, 2^51179199263 is an apocalyptic number.

51179199263 is a deficient number, since it is larger than the sum of its proper divisors (1).

51179199263 is an equidigital number, since it uses as much as digits as its factorization.

51179199263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 53.

The spelling of 51179199263 in words is "fifty-one billion, one hundred seventy-nine million, one hundred ninety-nine thousand, two hundred sixty-three".