13302243644 has 6 divisors (see below), whose sum is σ = 23278926384. Its totient is φ = 6651121820.

The previous prime is 13302243641. The next prime is 13302243673. The reversal of 13302243644 is 44634220331.

It is a self number, because there is not a number n which added to its sum of digits gives 13302243644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302243641) 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, 1662780452 + ... + 1662780459.

It is an arithmetic number, because the mean of its divisors is an integer number (3879821064).

Almost surely, 2^13302243644 is an apocalyptic number.

It is an amenable number.

13302243644 is a deficient number, since it is larger than the sum of its proper divisors (9976682740).

13302243644 is a wasteful number, since it uses less digits than its factorization.

13302243644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325560915 (or 3325560913 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 13302243644 its reverse (44634220331), we get a palindrome (57936463975).

The spelling of 13302243644 in words is "thirteen billion, three hundred two million, two hundred forty-three thousand, six hundred forty-four".