6431525275668 has 48 divisors (see below), whose sum is σ = 15144906954240. Its totient is φ = 2124186711264.

The previous prime is 6431525275667. The next prime is 6431525275697. The reversal of 6431525275668 is 8665725251346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6431525275667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2993830 + ... + 4671837.

It is an arithmetic number, because the mean of its divisors is an integer number (315518894880).

Almost surely, 2^{6431525275668} is an apocalyptic number.

It is an amenable number.

6431525275668 is an abundant number, since it is smaller than the sum of its proper divisors (8713381678572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6431525275668 is a wasteful number, since it uses less digits than its factorization.

6431525275668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666316 (or 7666314 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 60.

The spelling of 6431525275668 in words is "six trillion, four hundred thirty-one billion, five hundred twenty-five million, two hundred seventy-five thousand, six hundred sixty-eight".