63417872099 has 2 divisors, whose sum is σ = 63417872100. Its totient is φ = 63417872098.

The previous prime is 63417872093. The next prime is 63417872137. The reversal of 63417872099 is 99027871436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63417872099 - 2⁴ = 63417872083 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (63417872093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31708936049 + 31708936050.

It is an arithmetic number, because the mean of its divisors is an integer number (31708936050).

Almost surely, 2^63417872099 is an apocalyptic number.

63417872099 is a deficient number, since it is larger than the sum of its proper divisors (1).

63417872099 is an equidigital number, since it uses as much as digits as its factorization.

63417872099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 63417872099 in words is "sixty-three billion, four hundred seventeen million, eight hundred seventy-two thousand, ninety-nine".