63988837159201 has 2 divisors, whose sum is σ = 63988837159202. Its totient is φ = 63988837159200.

The previous prime is 63988837159123. The next prime is 63988837159213. The reversal of 63988837159201 is 10295173888936.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50083575150625 + 13905262008576 = 7076975^2 + 3728976^2 .

It is a cyclic number.

It is not a de Polignac number, because 63988837159201 - 2⁷ = 63988837159073 is a prime.

It is not a weakly prime, because it can be changed into another prime (63988837159501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31994418579600 + 31994418579601.

It is an arithmetic number, because the mean of its divisors is an integer number (31994418579601).

Almost surely, 2^{63988837159201} is an apocalyptic number.

It is an amenable number.

63988837159201 is a deficient number, since it is larger than the sum of its proper divisors (1).

63988837159201 is an equidigital number, since it uses as much as digits as its factorization.

63988837159201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156764160, while the sum is 70.

The spelling of 63988837159201 in words is "sixty-three trillion, nine hundred eighty-eight billion, eight hundred thirty-seven million, one hundred fifty-nine thousand, two hundred one".