2289949605 has 12 divisors (see below), whose sum is σ = 3969246060. Its totient is φ = 1221306432.

The previous prime is 2289949567. The next prime is 2289949631. The reversal of 2289949605 is 5069499822.

It is a happy number.

2289949605 is a `hidden beast` number, since 2 + 28 + 9 + 9 + 4 + 9 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1609052769 + 680896836 = 40113^2 + 26094^2 .

It is not a de Polignac number, because 2289949605 - 2⁸ = 2289949349 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25443840 + ... + 25443929.

It is an arithmetic number, because the mean of its divisors is an integer number (330770505).

Almost surely, 2^2289949605 is an apocalyptic number.

It is an amenable number.

2289949605 is a deficient number, since it is larger than the sum of its proper divisors (1679296455).

2289949605 is a wasteful number, since it uses less digits than its factorization.

2289949605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50887780 (or 50887777 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 2289949605 is about 47853.4179030088. The cubic root of 2289949605 is about 1318.0806212451.

The spelling of 2289949605 in words is "two billion, two hundred eighty-nine million, nine hundred forty-nine thousand, six hundred five".