51349705418899 has 2 divisors, whose sum is σ = 51349705418900. Its totient is φ = 51349705418898.

The previous prime is 51349705418861. The next prime is 51349705418911. The reversal of 51349705418899 is 99881450794315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51349705418899 - 2¹⁵ = 51349705386131 is a prime.

It is not a weakly prime, because it can be changed into another prime (51349705416899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25674852709449 + 25674852709450.

It is an arithmetic number, because the mean of its divisors is an integer number (25674852709450).

Almost surely, 2^{51349705418899} is an apocalyptic number.

51349705418899 is a deficient number, since it is larger than the sum of its proper divisors (1).

51349705418899 is an equidigital number, since it uses as much as digits as its factorization.

51349705418899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 391910400, while the sum is 73.

The spelling of 51349705418899 in words is "fifty-one trillion, three hundred forty-nine billion, seven hundred five million, four hundred eighteen thousand, eight hundred ninety-nine".