6241663423939 has 2 divisors, whose sum is σ = 6241663423940. Its totient is φ = 6241663423938.

The previous prime is 6241663423913. The next prime is 6241663423943. The reversal of 6241663423939 is 9393243661426.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6241663423939 - 2⁵ = 6241663423907 is a prime.

It is not a weakly prime, because it can be changed into another prime (6241663423999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120831711969 + 3120831711970.

It is an arithmetic number, because the mean of its divisors is an integer number (3120831711970).

Almost surely, 2^{6241663423939} is an apocalyptic number.

6241663423939 is a deficient number, since it is larger than the sum of its proper divisors (1).

6241663423939 is an equidigital number, since it uses as much as digits as its factorization.

6241663423939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 58.

The spelling of 6241663423939 in words is "six trillion, two hundred forty-one billion, six hundred sixty-three million, four hundred twenty-three thousand, nine hundred thirty-nine".