91819100092 has 6 divisors (see below), whose sum is σ = 160683425168. Its totient is φ = 45909550044.

The previous prime is 91819100071. The next prime is 91819100119. The reversal of 91819100092 is 29000191819.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11477387508 + ... + 11477387515.

Almost surely, 2^91819100092 is an apocalyptic number.

It is an amenable number.

91819100092 is a deficient number, since it is larger than the sum of its proper divisors (68864325076).

91819100092 is a wasteful number, since it uses less digits than its factorization.

91819100092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22954775027 (or 22954775025 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 91819100092 in words is "ninety-one billion, eight hundred nineteen million, one hundred thousand, ninety-two".