2303618939 has 2 divisors, whose sum is σ = 2303618940. Its totient is φ = 2303618938.

The previous prime is 2303618923. The next prime is 2303619007. The reversal of 2303618939 is 9398163032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2303618939 - 2⁴ = 2303618923 is a prime.

It is a super-2 number, since 2×2303618939² = 10613320432238971442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2303618939.

It is not a weakly prime, because it can be changed into another prime (2303615939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151809469 + 1151809470.

It is an arithmetic number, because the mean of its divisors is an integer number (1151809470).

Almost surely, 2^2303618939 is an apocalyptic number.

2303618939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2303618939 is an equidigital number, since it uses as much as digits as its factorization.

2303618939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 2303618939 is about 47996.0304504445. The cubic root of 2303618939 is about 1320.6980809773.

The spelling of 2303618939 in words is "two billion, three hundred three million, six hundred eighteen thousand, nine hundred thirty-nine".