6344255564 has 6 divisors (see below), whose sum is σ = 11102447244. Its totient is φ = 3172127780.

The previous prime is 6344255549. The next prime is 6344255573. The reversal of 6344255564 is 4655524436.

It is a happy number.

It is a super-2 number, since 2×6344255564² = 80499157322689916192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 793031942 + ... + 793031949.

It is an arithmetic number, because the mean of its divisors is an integer number (1850407874).

Almost surely, 2^6344255564 is an apocalyptic number.

It is an amenable number.

6344255564 is a deficient number, since it is larger than the sum of its proper divisors (4758191680).

6344255564 is a wasteful number, since it uses less digits than its factorization.

6344255564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586063895 (or 1586063893 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 44.

The square root of 6344255564 is about 79650.8353000770. The cubic root of 6344255564 is about 1851.2293328126.

The spelling of 6344255564 in words is "six billion, three hundred forty-four million, two hundred fifty-five thousand, five hundred sixty-four".