3109719644 has 12 divisors (see below), whose sum is σ = 5442960264. Its totient is φ = 1554588144.

The previous prime is 3109719643. The next prime is 3109719673. The reversal of 3109719644 is 4469179013.

It is a junction number, because it is equal to n+sod(n) for n = 3109719595 and 3109719604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3109719643) 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, 40979 + ... + 88874.

It is an arithmetic number, because the mean of its divisors is an integer number (453580022).

Almost surely, 2^3109719644 is an apocalyptic number.

It is an amenable number.

3109719644 is a deficient number, since it is larger than the sum of its proper divisors (2333240620).

3109719644 is a wasteful number, since it uses less digits than its factorization.

3109719644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135844 (or 135842 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 3109719644 is about 55764.8602975028. The cubic root of 3109719644 is about 1459.6220395248.

The spelling of 3109719644 in words is "three billion, one hundred nine million, seven hundred nineteen thousand, six hundred forty-four".