109171369 has 4 divisors (see below), whose sum is σ = 109841296. Its totient is φ = 108501444.

The previous prime is 109171357. The next prime is 109171379. The reversal of 109171369 is 963171901.

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 a de Polignac number, because none of the positive numbers 2^k-109171369 is a prime.

It is a super-2 number, since 2×109171369² = 23836775618668322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109171319) 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, 334719 + ... + 335044.

It is an arithmetic number, because the mean of its divisors is an integer number (27460324).

Almost surely, 2^109171369 is an apocalyptic number.

It is an amenable number.

109171369 is a deficient number, since it is larger than the sum of its proper divisors (669927).

109171369 is an equidigital number, since it uses as much as digits as its factorization.

109171369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669926.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 109171369 is about 10448.5103722971. The cubic root of 109171369 is about 477.9358249658.

The spelling of 109171369 in words is "one hundred nine million, one hundred seventy-one thousand, three hundred sixty-nine".