63794736839 has 2 divisors, whose sum is σ = 63794736840. Its totient is φ = 63794736838.

The previous prime is 63794736823. The next prime is 63794736937. The reversal of 63794736839 is 93863749736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63794736839 - 2⁴ = 63794736823 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63794733839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31897368419 + 31897368420.

It is an arithmetic number, because the mean of its divisors is an integer number (31897368420).

Almost surely, 2^63794736839 is an apocalyptic number.

63794736839 is a deficient number, since it is larger than the sum of its proper divisors (1).

63794736839 is an equidigital number, since it uses as much as digits as its factorization.

63794736839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123451776, while the sum is 65.

The spelling of 63794736839 in words is "sixty-three billion, seven hundred ninety-four million, seven hundred thirty-six thousand, eight hundred thirty-nine".