13244143604 has 6 divisors (see below), whose sum is σ = 23177251314. Its totient is φ = 6622071800.

The previous prime is 13244143579. The next prime is 13244143669. The reversal of 13244143604 is 40634144231.

It can be written as a sum of positive squares in only one way, i.e., 12084604900 + 1159538704 = 109930^2 + 34052^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655517947 + ... + 1655517954.

It is an arithmetic number, because the mean of its divisors is an integer number (3862875219).

Almost surely, 2^13244143604 is an apocalyptic number.

It is an amenable number.

13244143604 is a deficient number, since it is larger than the sum of its proper divisors (9933107710).

13244143604 is a wasteful number, since it uses less digits than its factorization.

13244143604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311035905 (or 3311035903 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 13244143604 its reverse (40634144231), we get a palindrome (53878287835).

The spelling of 13244143604 in words is "thirteen billion, two hundred forty-four million, one hundred forty-three thousand, six hundred four".