2259797149 has 2 divisors, whose sum is σ = 2259797150. Its totient is φ = 2259797148.

The previous prime is 2259797143. The next prime is 2259797153. The reversal of 2259797149 is 9417979522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2046929049 + 212868100 = 45243^2 + 14590^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259797149 - 2⁵ = 2259797117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2259797149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2259797143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129898574 + 1129898575.

It is an arithmetic number, because the mean of its divisors is an integer number (1129898575).

Almost surely, 2^2259797149 is an apocalyptic number.

It is an amenable number.

2259797149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259797149 is an equidigital number, since it uses as much as digits as its factorization.

2259797149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 55.

The square root of 2259797149 is about 47537.3237467151. The cubic root of 2259797149 is about 1312.2698539351.

The spelling of 2259797149 in words is "two billion, two hundred fifty-nine million, seven hundred ninety-seven thousand, one hundred forty-nine".