2645752670 has 64 divisors (see below), whose sum is σ = 5618128896. Its totient is φ = 886202880.

The previous prime is 2645752649. The next prime is 2645752693. The reversal of 2645752670 is 762575462.

It is a Curzon number.

It is a congruent number.

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, 72839 + ... + 102941.

It is an arithmetic number, because the mean of its divisors is an integer number (87783264).

Almost surely, 2^2645752670 is an apocalyptic number.

2645752670 is an abundant number, since it is smaller than the sum of its proper divisors (2972376226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2645752670 is a wasteful number, since it uses less digits than its factorization.

2645752670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30185.

The product of its (nonzero) digits is 705600, while the sum is 44.

The square root of 2645752670 is about 51436.8804458435. The cubic root of 2645752670 is about 1383.0877910665.

The spelling of 2645752670 in words is "two billion, six hundred forty-five million, seven hundred fifty-two thousand, six hundred seventy".