109469979 has 6 divisors (see below), whose sum is σ = 158123316. Its totient is φ = 72979980.

The previous prime is 109469947. The next prime is 109470007. The reversal of 109469979 is 979964901.

109469979 is a `hidden beast` number, since 109 + 469 + 9 + 79 = 666.

It is not a de Polignac number, because 109469979 - 2⁵ = 109469947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109469179) 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, 6081657 + ... + 6081674.

It is an arithmetic number, because the mean of its divisors is an integer number (26353886).

Almost surely, 2^109469979 is an apocalyptic number.

109469979 is a deficient number, since it is larger than the sum of its proper divisors (48653337).

109469979 is a wasteful number, since it uses less digits than its factorization.

109469979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12163337 (or 12163334 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 54.

The square root of 109469979 is about 10462.7902110288. The cubic root of 109469979 is about 478.3711848167.

The spelling of 109469979 in words is "one hundred nine million, four hundred sixty-nine thousand, nine hundred seventy-nine".