2259936449 has 4 divisors (see below), whose sum is σ = 2261785536. Its totient is φ = 2258087364.

The previous prime is 2259936421. The next prime is 2259936451. The reversal of 2259936449 is 9446399522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2259936449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2259936449.

It is not an unprimeable number, because it can be changed into a prime (5259936449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922709 + ... + 925154.

It is an arithmetic number, because the mean of its divisors is an integer number (565446384).

Almost surely, 2^2259936449 is an apocalyptic number.

It is an amenable number.

2259936449 is a deficient number, since it is larger than the sum of its proper divisors (1849087).

2259936449 is a wasteful number, since it uses less digits than its factorization.

2259936449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849086.

The product of its digits is 4199040, while the sum is 53.

The square root of 2259936449 is about 47538.7888886539. The cubic root of 2259936449 is about 1312.2968173339.

The spelling of 2259936449 in words is "two billion, two hundred fifty-nine million, nine hundred thirty-six thousand, four hundred forty-nine".