63636651041 has 2 divisors, whose sum is σ = 63636651042. Its totient is φ = 63636651040.

The previous prime is 63636651017. The next prime is 63636651059. The reversal of 63636651041 is 14015663636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50272366225 + 13364284816 = 224215^2 + 115604^2 .

It is a cyclic number.

It is not a de Polignac number, because 63636651041 - 2³⁰ = 62562909217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63636651041.

It is not a weakly prime, because it can be changed into another prime (63636659041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31818325520 + 31818325521.

It is an arithmetic number, because the mean of its divisors is an integer number (31818325521).

Almost surely, 2^63636651041 is an apocalyptic number.

It is an amenable number.

63636651041 is a deficient number, since it is larger than the sum of its proper divisors (1).

63636651041 is an equidigital number, since it uses as much as digits as its factorization.

63636651041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 41.

The spelling of 63636651041 in words is "sixty-three billion, six hundred thirty-six million, six hundred fifty-one thousand, forty-one".