63704584901 has 2 divisors, whose sum is σ = 63704584902. Its totient is φ = 63704584900.

The previous prime is 63704584861. The next prime is 63704584939. The reversal of 63704584901 is 10948540736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32400360001 + 31304224900 = 180001^2 + 176930^2 .

It is a cyclic number.

It is not a de Polignac number, because 63704584901 - 2²⁶ = 63637476037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63704584301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31852292450 + 31852292451.

It is an arithmetic number, because the mean of its divisors is an integer number (31852292451).

Almost surely, 2^63704584901 is an apocalyptic number.

It is an amenable number.

63704584901 is a deficient number, since it is larger than the sum of its proper divisors (1).

63704584901 is an equidigital number, since it uses as much as digits as its factorization.

63704584901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 63704584901 in words is "sixty-three billion, seven hundred four million, five hundred eighty-four thousand, nine hundred one".