51330502319 has 2 divisors, whose sum is σ = 51330502320. Its totient is φ = 51330502318.

The previous prime is 51330502199. The next prime is 51330502331. The reversal of 51330502319 is 91320503315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51330502319 - 2¹² = 51330498223 is a prime.

It is a super-2 number, since 2×51330502319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51330502339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25665251159 + 25665251160.

It is an arithmetic number, because the mean of its divisors is an integer number (25665251160).

Almost surely, 2^51330502319 is an apocalyptic number.

51330502319 is a deficient number, since it is larger than the sum of its proper divisors (1).

51330502319 is an equidigital number, since it uses as much as digits as its factorization.

51330502319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The spelling of 51330502319 in words is "fifty-one billion, three hundred thirty million, five hundred two thousand, three hundred nineteen".