99360865691 has 2 divisors, whose sum is σ = 99360865692. Its totient is φ = 99360865690.

The previous prime is 99360865673. The next prime is 99360865717. The reversal of 99360865691 is 19656806399.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99360865691 - 2¹⁸ = 99360603547 is a prime.

It is not a weakly prime, because it can be changed into another prime (99360865601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49680432845 + 49680432846.

It is an arithmetic number, because the mean of its divisors is an integer number (49680432846).

Almost surely, 2^99360865691 is an apocalyptic number.

99360865691 is a deficient number, since it is larger than the sum of its proper divisors (1).

99360865691 is an equidigital number, since it uses as much as digits as its factorization.

99360865691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18895680, while the sum is 62.

The spelling of 99360865691 in words is "ninety-nine billion, three hundred sixty million, eight hundred sixty-five thousand, six hundred ninety-one".