63199067886901 has 2 divisors, whose sum is σ = 63199067886902. Its totient is φ = 63199067886900.

The previous prime is 63199067886881. The next prime is 63199067886989. The reversal of 63199067886901 is 10968876099136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42993908036676 + 20205159850225 = 6556974^2 + 4495015^2 .

It is a cyclic number.

It is not a de Polignac number, because 63199067886901 - 2²³ = 63199059498293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63199067883901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31599533943450 + 31599533943451.

It is an arithmetic number, because the mean of its divisors is an integer number (31599533943451).

Almost surely, 2^{63199067886901} is an apocalyptic number.

It is an amenable number.

63199067886901 is a deficient number, since it is larger than the sum of its proper divisors (1).

63199067886901 is an equidigital number, since it uses as much as digits as its factorization.

63199067886901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211631616, while the sum is 73.

The spelling of 63199067886901 in words is "sixty-three trillion, one hundred ninety-nine billion, sixty-seven million, eight hundred eighty-six thousand, nine hundred one".