109392449 has 4 divisors (see below), whose sum is σ = 110003760. Its totient is φ = 108781140.

The previous prime is 109392421. The next prime is 109392463. The reversal of 109392449 is 944293901.

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.

It is a cyclic number.

It is not a de Polignac number, because 109392449 - 2²⁴ = 92615233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109392499) 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, 305387 + ... + 305744.

It is an arithmetic number, because the mean of its divisors is an integer number (27500940).

Almost surely, 2^109392449 is an apocalyptic number.

It is an amenable number.

109392449 is a deficient number, since it is larger than the sum of its proper divisors (611311).

109392449 is an equidigital number, since it uses as much as digits as its factorization.

109392449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611310.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 109392449 is about 10459.0845201671. The cubic root of 109392449 is about 478.2582257589.

The spelling of 109392449 in words is "one hundred nine million, three hundred ninety-two thousand, four hundred forty-nine".