2259399263 has 16 divisors (see below), whose sum is σ = 2615548320. Its totient is φ = 1928908800.

The previous prime is 2259399223. The next prime is 2259399281. The reversal of 2259399263 is 3629939522.

It is a cyclic number.

It is not a de Polignac number, because 2259399263 - 2⁸ = 2259399007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259399223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73103 + ... + 99311.

It is an arithmetic number, because the mean of its divisors is an integer number (163471770).

Almost surely, 2^2259399263 is an apocalyptic number.

2259399263 is a deficient number, since it is larger than the sum of its proper divisors (356149057).

2259399263 is a wasteful number, since it uses less digits than its factorization.

2259399263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26698.

The product of its digits is 1574640, while the sum is 50.

The square root of 2259399263 is about 47533.1385772074. The cubic root of 2259399263 is about 1312.1928316162.

The spelling of 2259399263 in words is "two billion, two hundred fifty-nine million, three hundred ninety-nine thousand, two hundred sixty-three".