6366622447 has 2 divisors, whose sum is σ = 6366622448. Its totient is φ = 6366622446.

The previous prime is 6366622373. The next prime is 6366622459. The reversal of 6366622447 is 7442266636.

6366622447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6366622447 - 2¹⁵ = 6366589679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6366622397 and 6366622406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6366622487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3183311223 + 3183311224.

It is an arithmetic number, because the mean of its divisors is an integer number (3183311224).

Almost surely, 2^6366622447 is an apocalyptic number.

6366622447 is a deficient number, since it is larger than the sum of its proper divisors (1).

6366622447 is an equidigital number, since it uses as much as digits as its factorization.

6366622447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 46.

The square root of 6366622447 is about 79791.1175946295. The cubic root of 6366622447 is about 1853.4023046127.

The spelling of 6366622447 in words is "six billion, three hundred sixty-six million, six hundred twenty-two thousand, four hundred forty-seven".