2290861439 has 2 divisors, whose sum is σ = 2290861440. Its totient is φ = 2290861438.

The previous prime is 2290861427. The next prime is 2290861457. The reversal of 2290861439 is 9341680922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2290861439 - 2²⁴ = 2274084223 is a prime.

It is a super-2 number, since 2×2290861439² = 10496092265394301442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2290861439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2290864439) 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 as a sum of consecutive naturals, namely, 1145430719 + 1145430720.

It is an arithmetic number, because the mean of its divisors is an integer number (1145430720).

Almost surely, 2^2290861439 is an apocalyptic number.

2290861439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290861439 is an equidigital number, since it uses as much as digits as its factorization.

2290861439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2290861439 is about 47862.9443202150. The cubic root of 2290861439 is about 1318.2555466720.

The spelling of 2290861439 in words is "two billion, two hundred ninety million, eight hundred sixty-one thousand, four hundred thirty-nine".