13283945536 has 21 divisors (see below), whose sum is σ = 26362159239. Its totient is φ = 6641511744.

The previous prime is 13283945531. The next prime is 13283945569. The reversal of 13283945536 is 63554938231.

The square root of 13283945536 is 115256.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13283945536.

It is not an unprimeable number, because it can be changed into a prime (13283945531) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 914845 + ... + 929251.

Almost surely, 2^13283945536 is an apocalyptic number.

13283945536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13283945536 is the 115256-th square number.

It is an amenable number.

13283945536 is a deficient number, since it is larger than the sum of its proper divisors (13078213703).

13283945536 is an frugal number, since it uses more digits than its factorization.

13283945536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28826 (or 14409 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 49.

Multiplying 13283945536 by its sum of digits (49), we get a square (650913331264 = 806792²).

The spelling of 13283945536 in words is "thirteen billion, two hundred eighty-three million, nine hundred forty-five thousand, five hundred thirty-six".