6380064221 has 4 divisors (see below), whose sum is σ = 6380279292. Its totient is φ = 6379849152.

The previous prime is 6380064217. The next prime is 6380064233. The reversal of 6380064221 is 1224600836.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2553280900 + 3826783321 = 50530^2 + 61861^2 .

It is a cyclic number.

It is not a de Polignac number, because 6380064221 - 2² = 6380064217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6380064281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54230 + ... + 125303.

It is an arithmetic number, because the mean of its divisors is an integer number (1595069823).

Almost surely, 2^6380064221 is an apocalyptic number.

It is an amenable number.

6380064221 is a deficient number, since it is larger than the sum of its proper divisors (215071).

6380064221 is a wasteful number, since it uses less digits than its factorization.

6380064221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215070.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6380064221 is about 79875.3041997337. The cubic root of 6380064221 is about 1854.7057431209.

The spelling of 6380064221 in words is "six billion, three hundred eighty million, sixty-four thousand, two hundred twenty-one".