108697069491 has 16 divisors (see below), whose sum is σ = 145262709504. Its totient is φ = 72298242464.

The previous prime is 108697069457. The next prime is 108697069493. The reversal of 108697069491 is 194960796801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 108697069491 - 2⁷ = 108697069363 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (108697069493) 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, 2644600 + ... + 2685386.

It is an arithmetic number, because the mean of its divisors is an integer number (9078919344).

Almost surely, 2^108697069491 is an apocalyptic number.

108697069491 is a deficient number, since it is larger than the sum of its proper divisors (36565640013).

108697069491 is a wasteful number, since it uses less digits than its factorization.

108697069491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42810.

The product of its (nonzero) digits is 5878656, while the sum is 60.

The spelling of 108697069491 in words is "one hundred eight billion, six hundred ninety-seven million, sixty-nine thousand, four hundred ninety-one".