91330097969 has 16 divisors (see below), whose sum is σ = 100221649920. Its totient is φ = 82536983760.

The previous prime is 91330097923. The next prime is 91330098001. The reversal of 91330097969 is 96979003319.

It is not a de Polignac number, because 91330097969 - 2¹² = 91330093873 is a prime.

It is a super-2 number, since 2×91330097969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91330097269) 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, 8703644 + ... + 8714130.

It is an arithmetic number, because the mean of its divisors is an integer number (6263853120).

Almost surely, 2^91330097969 is an apocalyptic number.

It is an amenable number.

91330097969 is a deficient number, since it is larger than the sum of its proper divisors (8891551951).

91330097969 is a wasteful number, since it uses less digits than its factorization.

91330097969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15100.

The product of its (nonzero) digits is 2480058, while the sum is 56.

The spelling of 91330097969 in words is "ninety-one billion, three hundred thirty million, ninety-seven thousand, nine hundred sixty-nine".