13636646463 has 32 divisors (see below), whose sum is σ = 20082327552. Its totient is φ = 8162229600.

The previous prime is 13636646449. The next prime is 13636646533. The reversal of 13636646463 is 36464663631.

It is not a de Polignac number, because 13636646463 - 2⁴ = 13636646447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13636646063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 927298 + ... + 941888.

It is an arithmetic number, because the mean of its divisors is an integer number (627572736).

Almost surely, 2^13636646463 is an apocalyptic number.

13636646463 is a deficient number, since it is larger than the sum of its proper divisors (6445681089).

13636646463 is a wasteful number, since it uses less digits than its factorization.

13636646463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14955.

The product of its digits is 3359232, while the sum is 48.

The spelling of 13636646463 in words is "thirteen billion, six hundred thirty-six million, six hundred forty-six thousand, four hundred sixty-three".