91349703899 has 2 divisors, whose sum is σ = 91349703900. Its totient is φ = 91349703898.

The previous prime is 91349703877. The next prime is 91349703937. The reversal of 91349703899 is 99830794319.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91349703899 - 2³⁶ = 22630227163 is a prime.

It is not a weakly prime, because it can be changed into another prime (91349703829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45674851949 + 45674851950.

It is an arithmetic number, because the mean of its divisors is an integer number (45674851950).

Almost surely, 2^91349703899 is an apocalyptic number.

91349703899 is a deficient number, since it is larger than the sum of its proper divisors (1).

91349703899 is an equidigital number, since it uses as much as digits as its factorization.

91349703899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13226976, while the sum is 62.

The spelling of 91349703899 in words is "ninety-one billion, three hundred forty-nine million, seven hundred three thousand, eight hundred ninety-nine".