63340595694881 has 2 divisors, whose sum is σ = 63340595694882. Its totient is φ = 63340595694880.

The previous prime is 63340595694823. The next prime is 63340595694907. The reversal of 63340595694881 is 18849659504336.

63340595694881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47084861909281 + 16255733785600 = 6861841^2 + 4031840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63340595694881 is a prime.

It is a super-2 number, since 2×63340595694881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63340595694581) 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, 31670297847440 + 31670297847441.

It is an arithmetic number, because the mean of its divisors is an integer number (31670297847441).

Almost surely, 2^{63340595694881} is an apocalyptic number.

It is an amenable number.

63340595694881 is a deficient number, since it is larger than the sum of its proper divisors (1).

63340595694881 is an equidigital number, since it uses as much as digits as its factorization.

63340595694881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 671846400, while the sum is 71.

The spelling of 63340595694881 in words is "sixty-three trillion, three hundred forty billion, five hundred ninety-five million, six hundred ninety-four thousand, eight hundred eighty-one".