109452499 has 4 divisors (see below), whose sum is σ = 117871936. Its totient is φ = 101033064.

The previous prime is 109452491. The next prime is 109452509. The reversal of 109452499 is 994254901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109452499 - 2³ = 109452491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109452491) 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 3 ways as a sum of consecutive naturals, for example, 4209699 + ... + 4209724.

It is an arithmetic number, because the mean of its divisors is an integer number (29467984).

Almost surely, 2^109452499 is an apocalyptic number.

109452499 is a deficient number, since it is larger than the sum of its proper divisors (8419437).

109452499 is an equidigital number, since it uses as much as digits as its factorization.

109452499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419436.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 109452499 is about 10461.9548364538. The cubic root of 109452499 is about 478.3457215999.

The spelling of 109452499 in words is "one hundred nine million, four hundred fifty-two thousand, four hundred ninety-nine".