95005198131721 has 2 divisors, whose sum is σ = 95005198131722. Its totient is φ = 95005198131720.

The previous prime is 95005198131703. The next prime is 95005198131761. The reversal of 95005198131721 is 12713189150059.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87482443772025 + 7522754359696 = 9353205^2 + 2742764^2 .

It is a cyclic number.

It is not a de Polignac number, because 95005198131721 - 2⁷ = 95005198131593 is a prime.

It is not a weakly prime, because it can be changed into another prime (95005198131761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47502599065860 + 47502599065861.

It is an arithmetic number, because the mean of its divisors is an integer number (47502599065861).

Almost surely, 2^{95005198131721} is an apocalyptic number.

It is an amenable number.

95005198131721 is a deficient number, since it is larger than the sum of its proper divisors (1).

95005198131721 is an equidigital number, since it uses as much as digits as its factorization.

95005198131721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 52.

The spelling of 95005198131721 in words is "ninety-five trillion, five billion, one hundred ninety-eight million, one hundred thirty-one thousand, seven hundred twenty-one".