109475969 has 8 divisors (see below), whose sum is σ = 110568360. Its totient is φ = 108389376.

The previous prime is 109475953. The next prime is 109475987. The reversal of 109475969 is 969574901.

It can be written as a sum of positive squares in 4 ways, for example, as 26884225 + 82591744 = 5185^2 + 9088^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109475969 - 2⁴ = 109475953 is a prime.

It is a super-2 number, since 2×109475969² = 23969975576977922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109475939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42959 + ... + 45435.

It is an arithmetic number, because the mean of its divisors is an integer number (13821045).

Almost surely, 2^109475969 is an apocalyptic number.

It is an amenable number.

109475969 is a deficient number, since it is larger than the sum of its proper divisors (1092391).

109475969 is a wasteful number, since it uses less digits than its factorization.

109475969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 109475969 is about 10463.0764596270. The cubic root of 109475969 is about 478.3799098606.

The spelling of 109475969 in words is "one hundred nine million, four hundred seventy-five thousand, nine hundred sixty-nine".