63981140059 has 2 divisors, whose sum is σ = 63981140060. Its totient is φ = 63981140058.

The previous prime is 63981140039. The next prime is 63981140099. The reversal of 63981140059 is 95004118936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63981140059 - 2⁷ = 63981139931 is a prime.

It is not a weakly prime, because it can be changed into another prime (63981140039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31990570029 + 31990570030.

It is an arithmetic number, because the mean of its divisors is an integer number (31990570030).

Almost surely, 2^63981140059 is an apocalyptic number.

63981140059 is a deficient number, since it is larger than the sum of its proper divisors (1).

63981140059 is an equidigital number, since it uses as much as digits as its factorization.

63981140059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 63981140059 in words is "sixty-three billion, nine hundred eighty-one million, one hundred forty thousand, fifty-nine".