99759191297 has 2 divisors, whose sum is σ = 99759191298. Its totient is φ = 99759191296.

The previous prime is 99759191263. The next prime is 99759191341. The reversal of 99759191297 is 79219195799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71075026801 + 28684164496 = 266599^2 + 169364^2 .

It is a cyclic number.

It is not a de Polignac number, because 99759191297 - 2¹⁶ = 99759125761 is a prime.

It is not a weakly prime, because it can be changed into another prime (99759191897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49879595648 + 49879595649.

It is an arithmetic number, because the mean of its divisors is an integer number (49879595649).

Almost surely, 2^99759191297 is an apocalyptic number.

It is an amenable number.

99759191297 is a deficient number, since it is larger than the sum of its proper divisors (1).

99759191297 is an equidigital number, since it uses as much as digits as its factorization.

99759191297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28934010, while the sum is 68.

The spelling of 99759191297 in words is "ninety-nine billion, seven hundred fifty-nine million, one hundred ninety-one thousand, two hundred ninety-seven".