13643636650522 has 16 divisors (see below), whose sum is σ = 20479183556832. Its totient is φ = 6817242432240.

The previous prime is 13643636650451. The next prime is 13643636650529. The reversal of 13643636650522 is 22505663634631.

It is a super-2 number, since 2×13643636650522² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13643636650522.

It is not an unprimeable number, because it can be changed into a prime (13643636650529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125257948 + ... + 125366824.

It is an arithmetic number, because the mean of its divisors is an integer number (1279948972302).

Almost surely, 2^{13643636650522} is an apocalyptic number.

13643636650522 is a deficient number, since it is larger than the sum of its proper divisors (6835546906310).

13643636650522 is a wasteful number, since it uses less digits than its factorization.

13643636650522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150333.

The product of its (nonzero) digits is 13996800, while the sum is 52.

The spelling of 13643636650522 in words is "thirteen trillion, six hundred forty-three billion, six hundred thirty-six million, six hundred fifty thousand, five hundred twenty-two".