63704342719 has 2 divisors, whose sum is σ = 63704342720. Its totient is φ = 63704342718.

The previous prime is 63704342711. The next prime is 63704342729. The reversal of 63704342719 is 91724340736.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63704342719 - 2³ = 63704342711 is a prime.

It is a super-2 number, since 2×63704342719² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63704342711) 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, 31852171359 + 31852171360.

It is an arithmetic number, because the mean of its divisors is an integer number (31852171360).

Almost surely, 2^63704342719 is an apocalyptic number.

63704342719 is a deficient number, since it is larger than the sum of its proper divisors (1).

63704342719 is an equidigital number, since it uses as much as digits as its factorization.

63704342719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 46.

The spelling of 63704342719 in words is "sixty-three billion, seven hundred four million, three hundred forty-two thousand, seven hundred nineteen".