2431057657 has 64 divisors (see below), whose sum is σ = 3207905280. Its totient is φ = 1794203136.

The previous prime is 2431057637. The next prime is 2431057661. The reversal of 2431057657 is 7567501342.

It is not a de Polignac number, because 2431057657 - 2²⁷ = 2296839929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2431057637) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5319373 + ... + 5319829.

It is an arithmetic number, because the mean of its divisors is an integer number (50123520).

Almost surely, 2^2431057657 is an apocalyptic number.

It is an amenable number.

2431057657 is a deficient number, since it is larger than the sum of its proper divisors (776847623).

2431057657 is a wasteful number, since it uses less digits than its factorization.

2431057657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 2431057657 is about 49305.7568342683. The cubic root of 2431057657 is about 1344.6164487244.

Adding to 2431057657 its reverse (7567501342), we get a palindrome (9998558999).

The spelling of 2431057657 in words is "two billion, four hundred thirty-one million, fifty-seven thousand, six hundred fifty-seven".