63993600019 has 2 divisors, whose sum is σ = 63993600020. Its totient is φ = 63993600018.

The previous prime is 63993599977. The next prime is 63993600023. The reversal of 63993600019 is 91000639936.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63993600019 - 2⁹ = 63993599507 is a prime.

It is a super-2 number, since 2×63993600019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63993600029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31996800009 + 31996800010.

It is an arithmetic number, because the mean of its divisors is an integer number (31996800010).

Almost surely, 2^63993600019 is an apocalyptic number.

63993600019 is a deficient number, since it is larger than the sum of its proper divisors (1).

63993600019 is an equidigital number, since it uses as much as digits as its factorization.

63993600019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196, while the sum is 46.

The spelling of 63993600019 in words is "sixty-three billion, nine hundred ninety-three million, six hundred thousand, nineteen".