2399424945 has 16 divisors (see below), whose sum is σ = 3844652352. Its totient is φ = 1277835840.

The previous prime is 2399424917. The next prime is 2399424947. The reversal of 2399424945 is 5494249932.

It is not a de Polignac number, because 2399424945 - 2¹⁰ = 2399423921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2399424947) 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 15 ways as a sum of consecutive naturals, for example, 105382 + ... + 126111.

It is an arithmetic number, because the mean of its divisors is an integer number (240290772).

Almost surely, 2^2399424945 is an apocalyptic number.

It is an amenable number.

2399424945 is a deficient number, since it is larger than the sum of its proper divisors (1445227407).

2399424945 is a wasteful number, since it uses less digits than its factorization.

2399424945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232192.

The product of its digits is 2799360, while the sum is 51.

The square root of 2399424945 is about 48983.9253735345. The cubic root of 2399424945 is about 1338.7589580767.

The spelling of 2399424945 in words is "two billion, three hundred ninety-nine million, four hundred twenty-four thousand, nine hundred forty-five".