2258306789 has 2 divisors, whose sum is σ = 2258306790. Its totient is φ = 2258306788.

The previous prime is 2258306779. The next prime is 2258306837. The reversal of 2258306789 is 9876038522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1322558689 + 935748100 = 36367^2 + 30590^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258306789 - 2²⁸ = 1989871333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2258306779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129153394 + 1129153395.

It is an arithmetic number, because the mean of its divisors is an integer number (1129153395).

Almost surely, 2^2258306789 is an apocalyptic number.

It is an amenable number.

2258306789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258306789 is an equidigital number, since it uses as much as digits as its factorization.

2258306789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 2258306789 is about 47521.6454786658. The cubic root of 2258306789 is about 1311.9813052329.

The spelling of 2258306789 in words is "two billion, two hundred fifty-eight million, three hundred six thousand, seven hundred eighty-nine".