109394453 has 4 divisors (see below), whose sum is σ = 125022240. Its totient is φ = 93766668.

The previous prime is 109394449. The next prime is 109394477. The reversal of 109394453 is 354493901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354493901 = 15913 ⋅22277.

It is a cyclic number.

It is not a de Polignac number, because 109394453 - 2² = 109394449 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109394423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7813883 + ... + 7813896.

It is an arithmetic number, because the mean of its divisors is an integer number (31255560).

Almost surely, 2^109394453 is an apocalyptic number.

It is an amenable number.

109394453 is a deficient number, since it is larger than the sum of its proper divisors (15627787).

109394453 is an equidigital number, since it uses as much as digits as its factorization.

109394453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15627786.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 109394453 is about 10459.1803216122. The cubic root of 109394453 is about 478.2611462031.

The spelling of 109394453 in words is "one hundred nine million, three hundred ninety-four thousand, four hundred fifty-three".