6244247663 has 2 divisors, whose sum is σ = 6244247664. Its totient is φ = 6244247662.

The previous prime is 6244247587. The next prime is 6244247689. The reversal of 6244247663 is 3667424426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6244247663 - 2¹² = 6244243567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6244247363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122123831 + 3122123832.

It is an arithmetic number, because the mean of its divisors is an integer number (3122123832).

Almost surely, 2^6244247663 is an apocalyptic number.

6244247663 is a deficient number, since it is larger than the sum of its proper divisors (1).

6244247663 is an equidigital number, since it uses as much as digits as its factorization.

6244247663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 44.

The square root of 6244247663 is about 79020.5521557525. The cubic root of 6244247663 is about 1841.4504614407.

The spelling of 6244247663 in words is "six billion, two hundred forty-four million, two hundred forty-seven thousand, six hundred sixty-three".