109953209 has 8 divisors (see below), whose sum is σ = 116520000. Its totient is φ = 103464432.

The previous prime is 109953169. The next prime is 109953251. The reversal of 109953209 is 902359901.

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 109953209 - 2²⁴ = 93175993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109953269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16589 + ... + 22250.

It is an arithmetic number, because the mean of its divisors is an integer number (14565000).

Almost surely, 2^109953209 is an apocalyptic number.

109953209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

109953209 is a deficient number, since it is larger than the sum of its proper divisors (6566791).

109953209 is a wasteful number, since it uses less digits than its factorization.

109953209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39007.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 109953209 is about 10485.8575710335. The cubic root of 109953209 is about 479.0740380933.

The spelling of 109953209 in words is "one hundred nine million, nine hundred fifty-three thousand, two hundred nine".