13563302563664 has 30 divisors (see below), whose sum is σ = 30569331162474. Its totient is φ = 5812843955520.

The previous prime is 13563302563639. The next prime is 13563302563739. The reversal of 13563302563664 is 46636520336531.

It can be written as a sum of positive squares in only one way, i.e., 8758403491600 + 4804899072064 = 2959460^2 + 2192008^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8650064627 + ... + 8650066194.

Almost surely, 2^{13563302563664} is an apocalyptic number.

13563302563664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13563302563664 is an abundant number, since it is smaller than the sum of its proper divisors (17006028598810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13563302563664 is a wasteful number, since it uses less digits than its factorization.

13563302563664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17300130843 (or 17300130830 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 53.

The spelling of 13563302563664 in words is "thirteen trillion, five hundred sixty-three billion, three hundred two million, five hundred sixty-three thousand, six hundred sixty-four".