2645685254 has 16 divisors (see below), whose sum is σ = 4106980800. Its totient is φ = 1276727424.

The previous prime is 2645685233. The next prime is 2645685271. The reversal of 2645685254 is 4525865462.

2645685254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2645685199 and 2645685208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171779 + ... + 186545.

It is an arithmetic number, because the mean of its divisors is an integer number (256686300).

Almost surely, 2^2645685254 is an apocalyptic number.

2645685254 is a deficient number, since it is larger than the sum of its proper divisors (1461295546).

2645685254 is a wasteful number, since it uses less digits than its factorization.

2645685254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17887.

The product of its digits is 2304000, while the sum is 47.

The square root of 2645685254 is about 51436.2251142130. The cubic root of 2645685254 is about 1383.0760435539.

The spelling of 2645685254 in words is "two billion, six hundred forty-five million, six hundred eighty-five thousand, two hundred fifty-four".