6390822863 has 2 divisors, whose sum is σ = 6390822864. Its totient is φ = 6390822862.

The previous prime is 6390822847. The next prime is 6390822883. The reversal of 6390822863 is 3682280936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6390822863 - 2⁴ = 6390822847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6390822883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3195411431 + 3195411432.

It is an arithmetic number, because the mean of its divisors is an integer number (3195411432).

Almost surely, 2^6390822863 is an apocalyptic number.

6390822863 is a deficient number, since it is larger than the sum of its proper divisors (1).

6390822863 is an equidigital number, since it uses as much as digits as its factorization.

6390822863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 6390822863 is about 79942.6223175097. The cubic root of 6390822863 is about 1855.7476819252.

The spelling of 6390822863 in words is "six billion, three hundred ninety million, eight hundred twenty-two thousand, eight hundred sixty-three".