2319790809 has 16 divisors (see below), whose sum is σ = 3541150080. Its totient is φ = 1323258240.

The previous prime is 2319790801. The next prime is 2319790819. The reversal of 2319790809 is 9080979132.

It is not a de Polignac number, because 2319790809 - 2³ = 2319790801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2319790801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85122 + ... + 109019.

It is an arithmetic number, because the mean of its divisors is an integer number (221321880).

Almost surely, 2^2319790809 is an apocalyptic number.

It is an amenable number.

2319790809 is a deficient number, since it is larger than the sum of its proper divisors (1221359271).

2319790809 is a wasteful number, since it uses less digits than its factorization.

2319790809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194720.

The product of its (nonzero) digits is 244944, while the sum is 48.

The square root of 2319790809 is about 48164.2067203437. The cubic root of 2319790809 is about 1323.7813994038.

The spelling of 2319790809 in words is "two billion, three hundred nineteen million, seven hundred ninety thousand, eight hundred nine".