2308790249 has 2 divisors, whose sum is σ = 2308790250. Its totient is φ = 2308790248.

The previous prime is 2308790227. The next prime is 2308790251. The reversal of 2308790249 is 9420978032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1594564624 + 714225625 = 39932^2 + 26725^2 .

It is a cyclic number.

It is not a de Polignac number, because 2308790249 - 2⁸ = 2308789993 is a prime.

Together with 2308790251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2308790219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154395124 + 1154395125.

It is an arithmetic number, because the mean of its divisors is an integer number (1154395125).

Almost surely, 2^2308790249 is an apocalyptic number.

It is an amenable number.

2308790249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2308790249 is an equidigital number, since it uses as much as digits as its factorization.

2308790249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2308790249 is about 48049.8725180411. The cubic root of 2308790249 is about 1321.6856046849.

The spelling of 2308790249 in words is "two billion, three hundred eight million, seven hundred ninety thousand, two hundred forty-nine".