20013653434063 has 2 divisors, whose sum is σ = 20013653434064. Its totient is φ = 20013653434062.

The previous prime is 20013653434031. The next prime is 20013653434081. The reversal of 20013653434063 is 36043435631002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20013653434063 - 2⁵ = 20013653434031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20013653434163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006826717031 + 10006826717032.

It is an arithmetic number, because the mean of its divisors is an integer number (10006826717032).

Almost surely, 2^{20013653434063} is an apocalyptic number.

20013653434063 is a deficient number, since it is larger than the sum of its proper divisors (1).

20013653434063 is an equidigital number, since it uses as much as digits as its factorization.

20013653434063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 40.

The spelling of 20013653434063 in words is "twenty trillion, thirteen billion, six hundred fifty-three million, four hundred thirty-four thousand, sixty-three".