2543470868 has 12 divisors (see below), whose sum is σ = 4604559540. Its totient is φ = 1227882432.

The previous prime is 2543470849. The next prime is 2543470883. The reversal of 2543470868 is 8680743452.

It can be written as a sum of positive squares in 2 ways, for example, as 1630705924 + 912764944 = 40382^2 + 30212^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10963121 + ... + 10963352.

It is an arithmetic number, because the mean of its divisors is an integer number (383713295).

Almost surely, 2^2543470868 is an apocalyptic number.

It is an amenable number.

2543470868 is a deficient number, since it is larger than the sum of its proper divisors (2061088672).

2543470868 is a wasteful number, since it uses less digits than its factorization.

2543470868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21926506 (or 21926504 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 2543470868 is about 50432.8352167514. The cubic root of 2543470868 is about 1365.0301876707.

The spelling of 2543470868 in words is "two billion, five hundred forty-three million, four hundred seventy thousand, eight hundred sixty-eight".