109279433 has 4 divisors (see below), whose sum is σ = 112804608. Its totient is φ = 105754260.

The previous prime is 109279409. The next prime is 109279439. The reversal of 109279433 is 334972901.

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, and also an emirpimes, since its reverse is a distinct semiprime: 334972901 = 47 ⋅7127083.

It is a cyclic number.

It is not a de Polignac number, because 109279433 - 2⁶ = 109279369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109279439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762541 + ... + 1762602.

It is an arithmetic number, because the mean of its divisors is an integer number (28201152).

Almost surely, 2^109279433 is an apocalyptic number.

It is an amenable number.

109279433 is a deficient number, since it is larger than the sum of its proper divisors (3525175).

109279433 is an equidigital number, since it uses as much as digits as its factorization.

109279433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525174.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 109279433 is about 10453.6803566973. The cubic root of 109279433 is about 478.0934689389.

The spelling of 109279433 in words is "one hundred nine million, two hundred seventy-nine thousand, four hundred thirty-three".