13734433636 has 81 divisors (see below), whose sum is σ = 30772651161. Its totient is φ = 5344046400.

The previous prime is 13734433607. The next prime is 13734433639. The reversal of 13734433636 is 63633443731.

The square root of 13734433636 is 117194.

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

It can be written as a sum of positive squares in only one way, i.e., 36072036 + 13698361600 = 6006^2 + 117040^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13734433592 and 13734433601.

It is not an unprimeable number, because it can be changed into a prime (13734433639) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 18047496 + ... + 18048256.

Almost surely, 2^13734433636 is an apocalyptic number.

13734433636 is the 117194-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13734433636

13734433636 is an abundant number, since it is smaller than the sum of its proper divisors (17038217525).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13734433636 is an equidigital number, since it uses as much as digits as its factorization.

13734433636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562 (or 781 counting only the distinct ones).

The product of its digits is 979776, while the sum is 43.

The spelling of 13734433636 in words is "thirteen billion, seven hundred thirty-four million, four hundred thirty-three thousand, six hundred thirty-six".