6531882930 has 160 divisors (see below), whose sum is σ = 18604232064. Its totient is φ = 1640922624.

The previous prime is 6531882887. The next prime is 6531882941. The reversal of 6531882930 is 392881356.

It is a happy number.

6531882930 is a `hidden beast` number, since 6 + 531 + 8 + 82 + 9 + 30 = 666.

It is a super-2 number, since 2×6531882930² = 85330989222450769800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1245594 + ... + 1250826.

Almost surely, 2^6531882930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6531882930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9302116032).

6531882930 is an abundant number, since it is smaller than the sum of its proper divisors (12072349134).

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

6531882930 is a wasteful number, since it uses less digits than its factorization.

6531882930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342 (or 5333 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 6531882930 is about 80820.0651447399. The cubic root of 6531882930 is about 1869.3019719281.

The spelling of 6531882930 in words is "six billion, five hundred thirty-one million, eight hundred eighty-two thousand, nine hundred thirty".