91699456317 has 16 divisors (see below), whose sum is σ = 140178944640. Its totient is φ = 52232274432.

The previous prime is 91699456283. The next prime is 91699456319. The reversal of 91699456317 is 71365499619.

It is not a de Polignac number, because 91699456317 - 2²² = 91695262013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91699456319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6968892 + ... + 6982037.

It is an arithmetic number, because the mean of its divisors is an integer number (8761184040).

Almost surely, 2^91699456317 is an apocalyptic number.

It is an amenable number.

91699456317 is a deficient number, since it is larger than the sum of its proper divisors (48479488323).

91699456317 is a wasteful number, since it uses less digits than its factorization.

91699456317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13951252.

The product of its digits is 11022480, while the sum is 60.

The spelling of 91699456317 in words is "ninety-one billion, six hundred ninety-nine million, four hundred fifty-six thousand, three hundred seventeen".