51330502199 has 2 divisors, whose sum is σ = 51330502200. Its totient is φ = 51330502198.

The previous prime is 51330502169. The next prime is 51330502319. The reversal of 51330502199 is 99120503315.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51330502199 - 2¹² = 51330498103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51330502109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25665251099 + 25665251100.

It is an arithmetic number, because the mean of its divisors is an integer number (25665251100).

Almost surely, 2^51330502199 is an apocalyptic number.

51330502199 is a deficient number, since it is larger than the sum of its proper divisors (1).

51330502199 is an equidigital number, since it uses as much as digits as its factorization.

51330502199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 38.

The spelling of 51330502199 in words is "fifty-one billion, three hundred thirty million, five hundred two thousand, one hundred ninety-nine".