6364444673 has 2 divisors, whose sum is σ = 6364444674. Its totient is φ = 6364444672.

The previous prime is 6364444601. The next prime is 6364444727. The reversal of 6364444673 is 3764444636.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5321994304 + 1042450369 = 72952^2 + 32287^2 .

It is a cyclic number.

It is not a de Polignac number, because 6364444673 - 2¹⁰ = 6364443649 is a prime.

It is not a weakly prime, because it can be changed into another prime (6364449673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182222336 + 3182222337.

It is an arithmetic number, because the mean of its divisors is an integer number (3182222337).

Almost surely, 2^6364444673 is an apocalyptic number.

It is an amenable number.

6364444673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6364444673 is an equidigital number, since it uses as much as digits as its factorization.

6364444673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 47.

The square root of 6364444673 is about 79777.4697079320. The cubic root of 6364444673 is about 1853.1909548904.

The spelling of 6364444673 in words is "six billion, three hundred sixty-four million, four hundred forty-four thousand, six hundred seventy-three".