63636355534013 has 2 divisors, whose sum is σ = 63636355534014. Its totient is φ = 63636355534012.

The previous prime is 63636355533943. The next prime is 63636355534043. The reversal of 63636355534013 is 31043555363636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60825056117764 + 2811299416249 = 7799042^2 + 1676693^2 .

It is a cyclic number.

It is not a de Polignac number, because 63636355534013 - 2⁸ = 63636355533757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63636355534043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31818177767006 + 31818177767007.

It is an arithmetic number, because the mean of its divisors is an integer number (31818177767007).

Almost surely, 2^{63636355534013} is an apocalyptic number.

It is an amenable number.

63636355534013 is a deficient number, since it is larger than the sum of its proper divisors (1).

63636355534013 is an equidigital number, since it uses as much as digits as its factorization.

63636355534013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244000, while the sum is 53.

The spelling of 63636355534013 in words is "sixty-three trillion, six hundred thirty-six billion, three hundred fifty-five million, five hundred thirty-four thousand, thirteen".