6528089631 has 24 divisors (see below), whose sum is σ = 10474351920. Its totient is φ = 3601702272.

The previous prime is 6528089627. The next prime is 6528089657. The reversal of 6528089631 is 1369808256.

It is a happy number.

It is not a de Polignac number, because 6528089631 - 2² = 6528089627 is a prime.

It is a super-2 number, since 2×6528089631² = 85231908460739432322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6528089681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 761406 + ... + 769931.

It is an arithmetic number, because the mean of its divisors is an integer number (436431330).

Almost surely, 2^6528089631 is an apocalyptic number.

6528089631 is a deficient number, since it is larger than the sum of its proper divisors (3946262289).

6528089631 is a wasteful number, since it uses less digits than its factorization.

6528089631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531383 (or 1531376 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 6528089631 is about 80796.5941794578. The cubic root of 6528089631 is about 1868.9400449283.

The spelling of 6528089631 in words is "six billion, five hundred twenty-eight million, eighty-nine thousand, six hundred thirty-one".