90696999969609 has 64 divisors (see below), whose sum is σ = 137604459847680. Its totient is φ = 52638295680000.

The previous prime is 90696999969523. The next prime is 90696999969647.

90696999969609 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 90696999969609 - 2¹⁵ = 90696999936841 is a prime.

It is a super-2 number, since 2×90696999969609² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90696999969509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183357982 + ... + 183851960.

It is an arithmetic number, because the mean of its divisors is an integer number (2150069685120).

Almost surely, 2^{90696999969609} is an apocalyptic number.

It is an amenable number.

90696999969609 is a deficient number, since it is larger than the sum of its proper divisors (46907459878071).

90696999969609 is a wasteful number, since it uses less digits than its factorization.

90696999969609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495902.

The product of its (nonzero) digits is 55788550416, while the sum is 96.

The spelling of 90696999969609 in words is "ninety trillion, six hundred ninety-six billion, nine hundred ninety-nine million, nine hundred sixty-nine thousand, six hundred nine".