6622443463 has 2 divisors, whose sum is σ = 6622443464. Its totient is φ = 6622443462.

The previous prime is 6622443433. The next prime is 6622443469. The reversal of 6622443463 is 3643442266.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6622443463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6622443469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311221731 + 3311221732.

It is an arithmetic number, because the mean of its divisors is an integer number (3311221732).

Almost surely, 2^6622443463 is an apocalyptic number.

6622443463 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622443463 is an equidigital number, since it uses as much as digits as its factorization.

6622443463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 40.

The square root of 6622443463 is about 81378.3967831758. The cubic root of 6622443463 is about 1877.9012590217.

The spelling of 6622443463 in words is "six billion, six hundred twenty-two million, four hundred forty-three thousand, four hundred sixty-three".