109643475 has 12 divisors (see below), whose sum is σ = 181277336. Its totient is φ = 58476480.

The previous prime is 109643459. The next prime is 109643491. The reversal of 109643475 is 574346901.

It is an interprime number because it is at equal distance from previous prime (109643459) and next prime (109643491).

It is not a de Polignac number, because 109643475 - 2⁴ = 109643459 is a prime.

It is a super-2 number, since 2×109643475² = 24043383220151250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 730882 + ... + 731031.

Almost surely, 2^109643475 is an apocalyptic number.

109643475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109643475 is a deficient number, since it is larger than the sum of its proper divisors (71633861).

109643475 is a wasteful number, since it uses less digits than its factorization.

109643475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461926 (or 1461921 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 109643475 is about 10471.0780247308. The cubic root of 109643475 is about 478.6237705960.

The spelling of 109643475 in words is "one hundred nine million, six hundred forty-three thousand, four hundred seventy-five".