63115664333 has 2 divisors, whose sum is σ = 63115664334. Its totient is φ = 63115664332.

The previous prime is 63115664317. The next prime is 63115664377. The reversal of 63115664333 is 33346651136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59593597924 + 3522066409 = 244118^2 + 59347^2 .

It is a cyclic number.

It is not a de Polignac number, because 63115664333 - 2⁴ = 63115664317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63115664393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31557832166 + 31557832167.

It is an arithmetic number, because the mean of its divisors is an integer number (31557832167).

Almost surely, 2^63115664333 is an apocalyptic number.

It is an amenable number.

63115664333 is a deficient number, since it is larger than the sum of its proper divisors (1).

63115664333 is an equidigital number, since it uses as much as digits as its factorization.

63115664333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 41.

The spelling of 63115664333 in words is "sixty-three billion, one hundred fifteen million, six hundred sixty-four thousand, three hundred thirty-three".