2551971424 has 12 divisors (see below), whose sum is σ = 5024193804. Its totient is φ = 1275985696.

The previous prime is 2551971421. The next prime is 2551971479. The reversal of 2551971424 is 4241791552.

2551971424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551971421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39874522 + ... + 39874585.

It is an arithmetic number, because the mean of its divisors is an integer number (418682817).

Almost surely, 2^2551971424 is an apocalyptic number.

It is an amenable number.

2551971424 is a deficient number, since it is larger than the sum of its proper divisors (2472222380).

2551971424 is an equidigital number, since it uses as much as digits as its factorization.

2551971424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79749117 (or 79749109 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 2551971424 is about 50517.0409268001. The cubic root of 2551971424 is about 1366.5491897699.

The spelling of 2551971424 in words is "two billion, five hundred fifty-one million, nine hundred seventy-one thousand, four hundred twenty-four".