2259808991 has 8 divisors (see below), whose sum is σ = 2466709200. Its totient is φ = 2053152640.

The previous prime is 2259808987. The next prime is 2259809033. The reversal of 2259808991 is 1998089522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2259808991 - 2² = 2259808987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259808921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41306 + ... + 78903.

It is an arithmetic number, because the mean of its divisors is an integer number (308338650).

Almost surely, 2^2259808991 is an apocalyptic number.

2259808991 is a deficient number, since it is larger than the sum of its proper divisors (206900209).

2259808991 is a wasteful number, since it uses less digits than its factorization.

2259808991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121929.

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 2259808991 is about 47537.4483013129. The cubic root of 2259808991 is about 1312.2721461575.

The spelling of 2259808991 in words is "two billion, two hundred fifty-nine million, eight hundred eight thousand, nine hundred ninety-one".