6448794572 has 12 divisors (see below), whose sum is σ = 12311335176. Its totient is φ = 2931270240.

The previous prime is 6448794563. The next prime is 6448794587. The reversal of 6448794572 is 2754978446.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73281713 + ... + 73281800.

It is an arithmetic number, because the mean of its divisors is an integer number (1025944598).

Almost surely, 2^6448794572 is an apocalyptic number.

It is an amenable number.

6448794572 is a deficient number, since it is larger than the sum of its proper divisors (5862540604).

6448794572 is a wasteful number, since it uses less digits than its factorization.

6448794572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146563528 (or 146563526 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 56.

The square root of 6448794572 is about 80304.3870034508. The cubic root of 6448794572 is about 1861.3420164140.

The spelling of 6448794572 in words is "six billion, four hundred forty-eight million, seven hundred ninety-four thousand, five hundred seventy-two".