13564236428 has 6 divisors (see below), whose sum is σ = 23737413756. Its totient is φ = 6782118212.

The previous prime is 13564236421. The next prime is 13564236449. The reversal of 13564236428 is 82463246531.

13564236428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13564236421) by changing a digit.

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 as a sum of consecutive naturals, namely, 1695529550 + ... + 1695529557.

It is an arithmetic number, because the mean of its divisors is an integer number (3956235626).

Almost surely, 2^13564236428 is an apocalyptic number.

It is an amenable number.

13564236428 is a deficient number, since it is larger than the sum of its proper divisors (10173177328).

13564236428 is a wasteful number, since it uses less digits than its factorization.

13564236428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391059111 (or 3391059109 counting only the distinct ones).

The product of its digits is 829440, while the sum is 44.

The spelling of 13564236428 in words is "thirteen billion, five hundred sixty-four million, two hundred thirty-six thousand, four hundred twenty-eight".