91345098735 has 128 divisors (see below), whose sum is σ = 180771287040. Its totient is φ = 43401744000.

The previous prime is 91345098727. The next prime is 91345098769. The reversal of 91345098735 is 53789054319.

It is not a de Polignac number, because 91345098735 - 2³ = 91345098727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 337066650 + ... + 337066920.

It is an arithmetic number, because the mean of its divisors is an integer number (1412275680).

Almost surely, 2^91345098735 is an apocalyptic number.

91345098735 is a deficient number, since it is larger than the sum of its proper divisors (89426188305).

91345098735 is an equidigital number, since it uses as much as digits as its factorization.

91345098735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 91345098735 in words is "ninety-one billion, three hundred forty-five million, ninety-eight thousand, seven hundred thirty-five".