13644302356 has 6 divisors (see below), whose sum is σ = 23877529130. Its totient is φ = 6822151176.

The previous prime is 13644302341. The next prime is 13644302359. The reversal of 13644302356 is 65320344631.

It can be written as a sum of positive squares in only one way, i.e., 7067092356 + 6577210000 = 84066^2 + 81100^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13644302359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1705537791 + ... + 1705537798.

Almost surely, 2^13644302356 is an apocalyptic number.

It is an amenable number.

13644302356 is a deficient number, since it is larger than the sum of its proper divisors (10233226774).

13644302356 is a wasteful number, since it uses less digits than its factorization.

13644302356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3411075593 (or 3411075591 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 13644302356 its reverse (65320344631), we get a palindrome (78964646987).

The spelling of 13644302356 in words is "thirteen billion, six hundred forty-four million, three hundred two thousand, three hundred fifty-six".