99713191 has 2 divisors, whose sum is σ = 99713192. Its totient is φ = 99713190.

The previous prime is 99713183. The next prime is 99713209. The reversal of 99713191 is 19131799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99713191 - 2³ = 99713183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99713111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49856595 + 49856596.

It is an arithmetic number, because the mean of its divisors is an integer number (49856596).

Almost surely, 2^99713191 is an apocalyptic number.

99713191 is a deficient number, since it is larger than the sum of its proper divisors (1).

99713191 is an equidigital number, since it uses as much as digits as its factorization.

99713191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15309, while the sum is 40.

The square root of 99713191 is about 9985.6492528027. The cubic root of 99713191 is about 463.7147086286.

The spelling of 99713191 in words is "ninety-nine million, seven hundred thirteen thousand, one hundred ninety-one".