13643321224313 has 4 divisors (see below), whose sum is σ = 14883623153808. Its totient is φ = 12403019294820.

The previous prime is 13643321224301. The next prime is 13643321224331. The reversal of 13643321224313 is 31342212334631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13643321224313 - 2⁶ = 13643321224249 is a prime.

It is a super-2 number, since 2×13643321224313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13643321224213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620150964731 + ... + 620150964752.

It is an arithmetic number, because the mean of its divisors is an integer number (3720905788452).

Almost surely, 2^{13643321224313} is an apocalyptic number.

It is an amenable number.

13643321224313 is a deficient number, since it is larger than the sum of its proper divisors (1240301929495).

13643321224313 is a wasteful number, since it uses less digits than its factorization.

13643321224313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240301929494.

The product of its digits is 186624, while the sum is 38.

Adding to 13643321224313 its reverse (31342212334631), we get a palindrome (44985533558944).

The spelling of 13643321224313 in words is "thirteen trillion, six hundred forty-three billion, three hundred twenty-one million, two hundred twenty-four thousand, three hundred thirteen".