13620565634 has 16 divisors (see below), whose sum is σ = 22010452800. Its totient is φ = 6284129040.

The previous prime is 13620565613. The next prime is 13620565657. The reversal of 13620565634 is 43656502631.

13620565634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13620565591 and 13620565600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21284 + ... + 166415.

It is an arithmetic number, because the mean of its divisors is an integer number (1375653300).

Almost surely, 2^13620565634 is an apocalyptic number.

13620565634 is a deficient number, since it is larger than the sum of its proper divisors (8389887166).

13620565634 is a wasteful number, since it uses less digits than its factorization.

13620565634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190505.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 13620565634 in words is "thirteen billion, six hundred twenty million, five hundred sixty-five thousand, six hundred thirty-four".