2259539449 has 2 divisors, whose sum is σ = 2259539450. Its totient is φ = 2259539448.

The previous prime is 2259539363. The next prime is 2259539473. The reversal of 2259539449 is 9449359522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2256915049 + 2624400 = 47507^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 2259539449 - 2¹³ = 2259531257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2259539396 and 2259539405.

It is not a weakly prime, because it can be changed into another prime (2259539549) 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 as a sum of consecutive naturals, namely, 1129769724 + 1129769725.

It is an arithmetic number, because the mean of its divisors is an integer number (1129769725).

Almost surely, 2^2259539449 is an apocalyptic number.

It is an amenable number.

2259539449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2259539449 is an equidigital number, since it uses as much as digits as its factorization.

2259539449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3499200, while the sum is 52.

The square root of 2259539449 is about 47534.6131676697. The cubic root of 2259539449 is about 1312.2199696941.

The spelling of 2259539449 in words is "two billion, two hundred fifty-nine million, five hundred thirty-nine thousand, four hundred forty-nine".