13069323644 has 72 divisors (see below), whose sum is σ = 25393375728. Its totient is φ = 5881075200.

The previous prime is 13069323643. The next prime is 13069323653. The reversal of 13069323644 is 44632396031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13069323643) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 4573064 + ... + 4575920.

It is an arithmetic number, because the mean of its divisors is an integer number (352685774).

Almost surely, 2^13069323644 is an apocalyptic number.

It is an amenable number.

13069323644 is a deficient number, since it is larger than the sum of its proper divisors (12324052084).

13069323644 is a wasteful number, since it uses less digits than its factorization.

13069323644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055 (or 3040 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 13069323644 in words is "thirteen billion, sixty-nine million, three hundred twenty-three thousand, six hundred forty-four".