6530921892 has 96 divisors (see below), whose sum is σ = 19557901440. Its totient is φ = 1862645760.

The previous prime is 6530921833. The next prime is 6530921923. The reversal of 6530921892 is 2981290356.

6530921892 is a `hidden beast` number, since 6 + 530 + 9 + 21 + 8 + 92 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141493 + ... + 181884.

It is an arithmetic number, because the mean of its divisors is an integer number (203728140).

Almost surely, 2^6530921892 is an apocalyptic number.

It is an amenable number.

6530921892 is an abundant number, since it is smaller than the sum of its proper divisors (13026979548).

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

6530921892 is a wasteful number, since it uses less digits than its factorization.

6530921892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323418 (or 323410 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 6530921892 is about 80814.1193851668. The cubic root of 6530921892 is about 1869.2102904349.

The spelling of 6530921892 in words is "six billion, five hundred thirty million, nine hundred twenty-one thousand, eight hundred ninety-two".