97331698109 has 16 divisors (see below), whose sum is σ = 101031283584. Its totient is φ = 93699244800.

The previous prime is 97331698067. The next prime is 97331698117. The reversal of 97331698109 is 90189613379.

It is a cyclic number.

It is not a de Polignac number, because 97331698109 - 2²⁴ = 97314920893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97331691109) 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 15 ways as a sum of consecutive naturals, for example, 4732769 + ... + 4753289.

It is an arithmetic number, because the mean of its divisors is an integer number (6314455224).

Almost surely, 2^97331698109 is an apocalyptic number.

It is an amenable number.

97331698109 is a deficient number, since it is larger than the sum of its proper divisors (3699585475).

97331698109 is a wasteful number, since it uses less digits than its factorization.

97331698109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22148.

The product of its (nonzero) digits is 2204496, while the sum is 56.

The spelling of 97331698109 in words is "ninety-seven billion, three hundred thirty-one million, six hundred ninety-eight thousand, one hundred nine".