2645344252 has 12 divisors (see below), whose sum is σ = 4630018680. Its totient is φ = 1322481776.

The previous prime is 2645344187. The next prime is 2645344253. The reversal of 2645344252 is 2524435462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645344253) 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, 13627 + ... + 74002.

It is an arithmetic number, because the mean of its divisors is an integer number (385834890).

Almost surely, 2^2645344252 is an apocalyptic number.

It is an amenable number.

2645344252 is a deficient number, since it is larger than the sum of its proper divisors (1984674428).

2645344252 is a wasteful number, since it uses less digits than its factorization.

2645344252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95180 (or 95178 counting only the distinct ones).

The product of its digits is 230400, while the sum is 37.

The square root of 2645344252 is about 51432.9102034874. The cubic root of 2645344252 is about 1383.0166195086.

The spelling of 2645344252 in words is "two billion, six hundred forty-five million, three hundred forty-four thousand, two hundred fifty-two".