13063661817 has 32 divisors (see below), whose sum is σ = 18021120000. Its totient is φ = 8411387328.

The previous prime is 13063661791. The next prime is 13063661837. The reversal of 13063661817 is 71816636031.

It is not a de Polignac number, because 13063661817 - 2¹¹ = 13063659769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13063661837) 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, 12572784 + ... + 12573822.

It is an arithmetic number, because the mean of its divisors is an integer number (563160000).

Almost surely, 2^13063661817 is an apocalyptic number.

It is an amenable number.

13063661817 is a deficient number, since it is larger than the sum of its proper divisors (4957458183).

13063661817 is a wasteful number, since it uses less digits than its factorization.

13063661817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 13063661817 in words is "thirteen billion, sixty-three million, six hundred sixty-one thousand, eight hundred seventeen".