2259539397 has 12 divisors (see below), whose sum is σ = 3343384044. Its totient is φ = 1469618880.

The previous prime is 2259539363. The next prime is 2259539449. The reversal of 2259539397 is 7939359522.

It is a happy number.

2259539397 is a `hidden beast` number, since 22 + 59 + 539 + 39 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 274034916 + 1985504481 = 16554^2 + 44559^2 .

It is not a de Polignac number, because 2259539397 - 2⁸ = 2259539141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2259539327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3061338 + ... + 3062075.

It is an arithmetic number, because the mean of its divisors is an integer number (278615337).

Almost surely, 2^2259539397 is an apocalyptic number.

It is an amenable number.

2259539397 is a deficient number, since it is larger than the sum of its proper divisors (1083844647).

2259539397 is a wasteful number, since it uses less digits than its factorization.

2259539397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123460 (or 6123457 counting only the distinct ones).

The product of its digits is 4592700, while the sum is 54.

The square root of 2259539397 is about 47534.6126206999. The cubic root of 2259539397 is about 1312.2199596278.

The spelling of 2259539397 in words is "two billion, two hundred fifty-nine million, five hundred thirty-nine thousand, three hundred ninety-seven".