13343395713721 has 4 divisors (see below), whose sum is σ = 13923543353472. Its totient is φ = 12763248073972.

The previous prime is 13343395713701. The next prime is 13343395713811. The reversal of 13343395713721 is 12731759334331.

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 a cyclic number.

It is not a de Polignac number, because 13343395713721 - 2³¹ = 13341248230073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13343395713701) 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, 290073819841 + ... + 290073819886.

It is an arithmetic number, because the mean of its divisors is an integer number (3480885838368).

Almost surely, 2^{13343395713721} is an apocalyptic number.

It is an amenable number.

13343395713721 is a deficient number, since it is larger than the sum of its proper divisors (580147639751).

13343395713721 is an equidigital number, since it uses as much as digits as its factorization.

13343395713721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580147639750.

The product of its digits is 4286520, while the sum is 52.

The spelling of 13343395713721 in words is "thirteen trillion, three hundred forty-three billion, three hundred ninety-five million, seven hundred thirteen thousand, seven hundred twenty-one".