13344663397 has 8 divisors (see below), whose sum is σ = 14372099840. Its totient is φ = 12317358960.

The previous prime is 13344663389. The next prime is 13344663407. The reversal of 13344663397 is 79336644331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13344663397 - 2³ = 13344663389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13344663397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13344663337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306004 + ... + 346882.

It is an arithmetic number, because the mean of its divisors is an integer number (1796512480).

Almost surely, 2^13344663397 is an apocalyptic number.

It is an amenable number.

13344663397 is a deficient number, since it is larger than the sum of its proper divisors (1027436443).

13344663397 is a wasteful number, since it uses less digits than its factorization.

13344663397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66003.

The product of its digits is 2939328, while the sum is 49.

The spelling of 13344663397 in words is "thirteen billion, three hundred forty-four million, six hundred sixty-three thousand, three hundred ninety-seven".