109481593 has 8 divisors (see below), whose sum is σ = 118040328. Its totient is φ = 100942464.

The previous prime is 109481563. The next prime is 109481599. The reversal of 109481593 is 395184901.

It can be written as a sum of positive squares in 4 ways, for example, as 28697449 + 80784144 = 5357^2 + 8988^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109481593 is a prime.

It is a super-3 number, since 3×109481593³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109481599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7971 + ... + 16807.

It is an arithmetic number, because the mean of its divisors is an integer number (14755041).

Almost surely, 2^109481593 is an apocalyptic number.

109481593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

109481593 is a deficient number, since it is larger than the sum of its proper divisors (8558735).

109481593 is an equidigital number, since it uses as much as digits as its factorization.

109481593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9803.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 109481593 is about 10463.3452107823. The cubic root of 109481593 is about 478.3881014987.

The spelling of 109481593 in words is "one hundred nine million, four hundred eighty-one thousand, five hundred ninety-three".