109993449 has 4 divisors (see below), whose sum is σ = 146657936. Its totient is φ = 73328964.

The previous prime is 109993427. The next prime is 109993453. The reversal of 109993449 is 944399901.

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: 944399901 = 3 ⋅314799967.

It is not a de Polignac number, because 109993449 - 2⁷ = 109993321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109993398 and 109993407.

It is not an unprimeable number, because it can be changed into a prime (109993459) 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, 18332239 + ... + 18332244.

It is an arithmetic number, because the mean of its divisors is an integer number (36664484).

Almost surely, 2^109993449 is an apocalyptic number.

It is an amenable number.

109993449 is a deficient number, since it is larger than the sum of its proper divisors (36664487).

109993449 is an equidigital number, since it uses as much as digits as its factorization.

109993449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36664486.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 109993449 is about 10487.7761703804. The cubic root of 109993449 is about 479.1324738231.

The spelling of 109993449 in words is "one hundred nine million, nine hundred ninety-three thousand, four hundred forty-nine".