2281790239 has 2 divisors, whose sum is σ = 2281790240. Its totient is φ = 2281790238.

The previous prime is 2281790207. The next prime is 2281790243. The reversal of 2281790239 is 9320971822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2281790239 - 2⁵ = 2281790207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2281790195 and 2281790204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281790299) 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 as a sum of consecutive naturals, namely, 1140895119 + 1140895120.

It is an arithmetic number, because the mean of its divisors is an integer number (1140895120).

Almost surely, 2^2281790239 is an apocalyptic number.

2281790239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281790239 is an equidigital number, since it uses as much as digits as its factorization.

2281790239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 2281790239 is about 47768.0880818984. The cubic root of 2281790239 is about 1316.5132649212.

The spelling of 2281790239 in words is "two billion, two hundred eighty-one million, seven hundred ninety thousand, two hundred thirty-nine".