109817469 has 12 divisors (see below), whose sum is σ = 163742592. Its totient is φ = 70849800.

The previous prime is 109817447. The next prime is 109817497. The reversal of 109817469 is 964718901.

It is a happy number.

109817469 is a `hidden beast` number, since 109 + 81 + 7 + 469 = 666.

It is not a de Polignac number, because 109817469 - 2⁵ = 109817437 is a prime.

It is a super-2 number, since 2×109817469² = 24119752995131922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109817069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196527 + ... + 197084.

It is an arithmetic number, because the mean of its divisors is an integer number (13645216).

Almost surely, 2^109817469 is an apocalyptic number.

It is an amenable number.

109817469 is a deficient number, since it is larger than the sum of its proper divisors (53925123).

109817469 is a wasteful number, since it uses less digits than its factorization.

109817469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393648 (or 393645 counting only the distinct ones).

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

The square root of 109817469 is about 10479.3830448171. The cubic root of 109817469 is about 478.8768139314.

The spelling of 109817469 in words is "one hundred nine million, eight hundred seventeen thousand, four hundred sixty-nine".