13789756436 has 12 divisors (see below), whose sum is σ = 24147195828. Its totient is φ = 6890557632.

The previous prime is 13789756423. The next prime is 13789756439. The reversal of 13789756436 is 63465798731.

It can be written as a sum of positive squares in 2 ways, for example, as 2969596036 + 10820160400 = 54494^2 + 104020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13789756439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072961 + ... + 1085736.

It is an arithmetic number, because the mean of its divisors is an integer number (2012266319).

Almost surely, 2^13789756436 is an apocalyptic number.

It is an amenable number.

13789756436 is a deficient number, since it is larger than the sum of its proper divisors (10357439392).

13789756436 is a wasteful number, since it uses less digits than its factorization.

13789756436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160298 (or 2160296 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 59.

The spelling of 13789756436 in words is "thirteen billion, seven hundred eighty-nine million, seven hundred fifty-six thousand, four hundred thirty-six".