13564045634 has 16 divisors (see below), whose sum is σ = 20634058368. Its totient is φ = 6686558592.

The previous prime is 13564045601. The next prime is 13564045639. The reversal of 13564045634 is 43654046531.

It is a super-2 number, since 2×13564045634² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13564045591 and 13564045600.

It is not an unprimeable number, because it can be changed into a prime (13564045639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81902 + ... + 183945.

It is an arithmetic number, because the mean of its divisors is an integer number (1289628648).

Almost surely, 2^13564045634 is an apocalyptic number.

13564045634 is a deficient number, since it is larger than the sum of its proper divisors (7070012734).

13564045634 is a wasteful number, since it uses less digits than its factorization.

13564045634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266209.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 13564045634 in words is "thirteen billion, five hundred sixty-four million, forty-five thousand, six hundred thirty-four".