91695069 has 12 divisors (see below), whose sum is σ = 132979392. Its totient is φ = 60885000.

The previous prime is 91695031. The next prime is 91695091. The reversal of 91695069 is 96059619.

It is not a de Polignac number, because 91695069 - 2¹³ = 91686877 is a prime.

It is a super-2 number, since 2×91695069² = 16815971357829522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91694069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18037 + ... + 22554.

It is an arithmetic number, because the mean of its divisors is an integer number (11081616).

Almost surely, 2^91695069 is an apocalyptic number.

It is an amenable number.

91695069 is a deficient number, since it is larger than the sum of its proper divisors (41284323).

91695069 is a wasteful number, since it uses less digits than its factorization.

91695069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40848 (or 40845 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 91695069 is about 9575.7542261693. The cubic root of 91695069 is about 450.9364351428.

The spelling of 91695069 in words is "ninety-one million, six hundred ninety-five thousand, sixty-nine".