2258041649 has 2 divisors, whose sum is σ = 2258041650. Its totient is φ = 2258041648.

The previous prime is 2258041619. The next prime is 2258041673. The reversal of 2258041649 is 9461408522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2155930624 + 102111025 = 46432^2 + 10105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258041649 - 2⁸ = 2258041393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2258041619) 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, 1129020824 + 1129020825.

It is an arithmetic number, because the mean of its divisors is an integer number (1129020825).

Almost surely, 2^2258041649 is an apocalyptic number.

It is an amenable number.

2258041649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258041649 is an equidigital number, since it uses as much as digits as its factorization.

2258041649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2258041649 is about 47518.8557206505. The cubic root of 2258041649 is about 1311.9299581588.

The spelling of 2258041649 in words is "two billion, two hundred fifty-eight million, forty-one thousand, six hundred forty-nine".