109493919 has 12 divisors (see below), whose sum is σ = 161142696. Its totient is φ = 71618352.

The previous prime is 109493899. The next prime is 109493933. The reversal of 109493919 is 919394901.

It is not a de Polignac number, because 109493919 - 2⁵ = 109493887 is a prime.

It is a super-2 number, since 2×109493919² = 23977836595957122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109493119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114297 + ... + 115250.

It is an arithmetic number, because the mean of its divisors is an integer number (13428558).

Almost surely, 2^109493919 is an apocalyptic number.

109493919 is a deficient number, since it is larger than the sum of its proper divisors (51648777).

109493919 is a wasteful number, since it uses less digits than its factorization.

109493919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229606 (or 229603 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 45.

The square root of 109493919 is about 10463.9342027748. The cubic root of 109493919 is about 478.4060539548.

The spelling of 109493919 in words is "one hundred nine million, four hundred ninety-three thousand, nine hundred nineteen".