2258961890 has 16 divisors (see below), whose sum is σ = 4066683840. Its totient is φ = 903462000.

The previous prime is 2258961857. The next prime is 2258961911. The reversal of 2258961890 is 981698522.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 113291 + ... + 131729.

It is an arithmetic number, because the mean of its divisors is an integer number (254167740).

Almost surely, 2^2258961890 is an apocalyptic number.

2258961890 is a deficient number, since it is larger than the sum of its proper divisors (1807721950).

2258961890 is a wasteful number, since it uses less digits than its factorization.

2258961890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30697.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 2258961890 is about 47528.5376379286. The cubic root of 2258961890 is about 1312.1081550148.

The spelling of 2258961890 in words is "two billion, two hundred fifty-eight million, nine hundred sixty-one thousand, eight hundred ninety".