109969401 has 4 divisors (see below), whose sum is σ = 146625872. Its totient is φ = 73312932.

The previous prime is 109969393. The next prime is 109969403. The reversal of 109969401 is 104969901.

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 not a de Polignac number, because 109969401 - 2³ = 109969393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109969401.

It is not an unprimeable number, because it can be changed into a prime (109969403) 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, 18328231 + ... + 18328236.

It is an arithmetic number, because the mean of its divisors is an integer number (36656468).

Almost surely, 2^109969401 is an apocalyptic number.

It is an amenable number.

109969401 is a deficient number, since it is larger than the sum of its proper divisors (36656471).

109969401 is an equidigital number, since it uses as much as digits as its factorization.

109969401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36656470.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 109969401 is about 10486.6296301529. The cubic root of 109969401 is about 479.0975535084.

It can be divided in two parts, 1099 and 69401, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 109969401 in words is "one hundred nine million, nine hundred sixty-nine thousand, four hundred one".