109312949 has 4 divisors (see below), whose sum is σ = 110852640. Its totient is φ = 107773260.

The previous prime is 109312937. The next prime is 109312969. The reversal of 109312949 is 949213901.

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 not a de Polignac number, because 109312949 - 2⁴ = 109312933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109312969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769739 + ... + 769880.

It is an arithmetic number, because the mean of its divisors is an integer number (27713160).

Almost surely, 2^109312949 is an apocalyptic number.

It is an amenable number.

109312949 is a deficient number, since it is larger than the sum of its proper divisors (1539691).

109312949 is an equidigital number, since it uses as much as digits as its factorization.

109312949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539690.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 109312949 is about 10455.2833055829. The cubic root of 109312949 is about 478.1423410288.

The spelling of 109312949 in words is "one hundred nine million, three hundred twelve thousand, nine hundred forty-nine".