13563665374652 has 6 divisors (see below), whose sum is σ = 23736414405648. Its totient is φ = 6781832687324.

The previous prime is 13563665374643. The next prime is 13563665374687. The reversal of 13563665374652 is 25647356636531.

It is a super-2 number, since 2×13563665374652² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695458171828 + ... + 1695458171835.

It is an arithmetic number, because the mean of its divisors is an integer number (3956069067608).

Almost surely, 2^{13563665374652} is an apocalyptic number.

It is an amenable number.

13563665374652 is a deficient number, since it is larger than the sum of its proper divisors (10172749030996).

13563665374652 is a wasteful number, since it uses less digits than its factorization.

13563665374652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3390916343667 (or 3390916343665 counting only the distinct ones).

The product of its digits is 244944000, while the sum is 62.

The spelling of 13563665374652 in words is "thirteen trillion, five hundred sixty-three billion, six hundred sixty-five million, three hundred seventy-four thousand, six hundred fifty-two".