6430221336 has 64 divisors (see below), whose sum is σ = 20042254080. Its totient is φ = 1670186880.

The previous prime is 6430221289. The next prime is 6430221349. The reversal of 6430221336 is 6331220346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737931 + ... + 1741626.

It is an arithmetic number, because the mean of its divisors is an integer number (313160220).

Almost surely, 2^6430221336 is an apocalyptic number.

6430221336 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6430221336 is an abundant number, since it is smaller than the sum of its proper divisors (13612032744).

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

6430221336 is a wasteful number, since it uses less digits than its factorization.

6430221336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479584 (or 3479580 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 6430221336 is about 80188.6608941688. The cubic root of 6430221336 is about 1859.5533417022.

The spelling of 6430221336 in words is "six billion, four hundred thirty million, two hundred twenty-one thousand, three hundred thirty-six".