2258368549 has 2 divisors, whose sum is σ = 2258368550. Its totient is φ = 2258368548.

The previous prime is 2258368543. The next prime is 2258368571. The reversal of 2258368549 is 9458638522.

2258368549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2256725025 + 1643524 = 47505^2 + 1282^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258368549 - 2²⁹ = 1721497637 is a prime.

It is a super-2 number, since 2×2258368549² = 10200457006224730802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2258368496 and 2258368505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2258368543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129184274 + 1129184275.

It is an arithmetic number, because the mean of its divisors is an integer number (1129184275).

Almost surely, 2^2258368549 is an apocalyptic number.

It is an amenable number.

2258368549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258368549 is an equidigital number, since it uses as much as digits as its factorization.

2258368549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 52.

The square root of 2258368549 is about 47522.2952833720. The cubic root of 2258368549 is about 1311.9932651117.

The spelling of 2258368549 in words is "two billion, two hundred fifty-eight million, three hundred sixty-eight thousand, five hundred forty-nine".