2889605265 has 32 divisors (see below), whose sum is σ = 4686971520. Its totient is φ = 1520031744.

The previous prime is 2889605249. The next prime is 2889605281. The reversal of 2889605265 is 5625069882.

It is an interprime number because it is at equal distance from previous prime (2889605249) and next prime (2889605281).

It is not a de Polignac number, because 2889605265 - 2⁴ = 2889605249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443451 + ... + 449919.

It is an arithmetic number, because the mean of its divisors is an integer number (146467860).

Almost surely, 2^2889605265 is an apocalyptic number.

It is an amenable number.

2889605265 is a deficient number, since it is larger than the sum of its proper divisors (1797366255).

2889605265 is a wasteful number, since it uses less digits than its factorization.

2889605265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The square root of 2889605265 is about 53755.0487396300. The cubic root of 2889605265 is about 1424.3372750906.

The spelling of 2889605265 in words is "two billion, eight hundred eighty-nine million, six hundred five thousand, two hundred sixty-five".