109455379 has 4 divisors (see below), whose sum is σ = 119405880. Its totient is φ = 99504880.

The previous prime is 109455343. The next prime is 109455383. The reversal of 109455379 is 973554901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 973554901 = 11 ⋅88504991.

It is a cyclic number.

It is not a de Polignac number, because 109455379 - 2¹⁵ = 109422611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109455179) 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, 4975234 + ... + 4975255.

It is an arithmetic number, because the mean of its divisors is an integer number (29851470).

Almost surely, 2^109455379 is an apocalyptic number.

109455379 is a deficient number, since it is larger than the sum of its proper divisors (9950501).

109455379 is an equidigital number, since it uses as much as digits as its factorization.

109455379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9950500.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 109455379 is about 10462.0924771290. The cubic root of 109455379 is about 478.3499170990.

The spelling of 109455379 in words is "one hundred nine million, four hundred fifty-five thousand, three hundred seventy-nine".