99495391 has 2 divisors, whose sum is σ = 99495392. Its totient is φ = 99495390.

The previous prime is 99495377. The next prime is 99495413. The reversal of 99495391 is 19359499.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99495391 - 2¹¹ = 99493343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99495301) 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, 49747695 + 49747696.

It is an arithmetic number, because the mean of its divisors is an integer number (49747696).

Almost surely, 2^99495391 is an apocalyptic number.

99495391 is a deficient number, since it is larger than the sum of its proper divisors (1).

99495391 is an equidigital number, since it uses as much as digits as its factorization.

99495391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 393660, while the sum is 49.

The square root of 99495391 is about 9974.7376406600. The cubic root of 99495391 is about 463.3768372910.

The spelling of 99495391 in words is "ninety-nine million, four hundred ninety-five thousand, three hundred ninety-one".