109418697 has 6 divisors (see below), whose sum is σ = 158049242. Its totient is φ = 72945792.

The previous prime is 109418693. The next prime is 109418707. The reversal of 109418697 is 796814901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 104530176 + 4888521 = 10224^2 + 2211^2 .

It is not a de Polignac number, because 109418697 - 2² = 109418693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109418693) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6078808 + ... + 6078825.

Almost surely, 2^109418697 is an apocalyptic number.

It is an amenable number.

109418697 is a deficient number, since it is larger than the sum of its proper divisors (48630545).

109418697 is a wasteful number, since it uses less digits than its factorization.

109418697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12157639 (or 12157636 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 109418697 is about 10460.3392392408. The cubic root of 109418697 is about 478.2964743404.

It can be divided in two parts, 1094 and 18697, that added together give a palindrome (19791).

The spelling of 109418697 in words is "one hundred nine million, four hundred eighteen thousand, six hundred ninety-seven".