99699317273 has 2 divisors, whose sum is σ = 99699317274. Its totient is φ = 99699317272.

The previous prime is 99699317213. The next prime is 99699317293. The reversal of 99699317273 is 37271399699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84441385744 + 15257931529 = 290588^2 + 123523^2 .

It is a cyclic number.

It is not a de Polignac number, because 99699317273 - 2¹⁶ = 99699251737 is a prime.

It is not a weakly prime, because it can be changed into another prime (99699317213) 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, 49849658636 + 49849658637.

It is an arithmetic number, because the mean of its divisors is an integer number (49849658637).

Almost surely, 2^99699317273 is an apocalyptic number.

It is an amenable number.

99699317273 is a deficient number, since it is larger than the sum of its proper divisors (1).

99699317273 is an equidigital number, since it uses as much as digits as its factorization.

99699317273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34720812, while the sum is 65.

The spelling of 99699317273 in words is "ninety-nine billion, six hundred ninety-nine million, three hundred seventeen thousand, two hundred seventy-three".