63381868103 has 2 divisors, whose sum is σ = 63381868104. Its totient is φ = 63381868102.

The previous prime is 63381868097. The next prime is 63381868201. The reversal of 63381868103 is 30186818336.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63381868103 - 2¹⁴ = 63381851719 is a prime.

It is a super-2 number, since 2×63381868103² (a number of 22 digits) contains 22 as substring.

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 (63381868003) 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, 31690934051 + 31690934052.

It is an arithmetic number, because the mean of its divisors is an integer number (31690934052).

Almost surely, 2^63381868103 is an apocalyptic number.

63381868103 is a deficient number, since it is larger than the sum of its proper divisors (1).

63381868103 is an equidigital number, since it uses as much as digits as its factorization.

63381868103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 63381868103 in words is "sixty-three billion, three hundred eighty-one million, eight hundred sixty-eight thousand, one hundred three".