13331445613 has 4 divisors (see below), whose sum is σ = 13615093440. Its totient is φ = 13047797788.

The previous prime is 13331445607. The next prime is 13331445619. The reversal of 13331445613 is 31654413331.

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 an interprime number because it is at equal distance from previous prime (13331445607) and next prime (13331445619).

It is a cyclic number.

It is not a de Polignac number, because 13331445613 - 2⁵ = 13331445581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331445619) 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, 141823843 + ... + 141823936.

It is an arithmetic number, because the mean of its divisors is an integer number (3403773360).

Almost surely, 2^13331445613 is an apocalyptic number.

It is an amenable number.

13331445613 is a deficient number, since it is larger than the sum of its proper divisors (283647827).

13331445613 is an equidigital number, since it uses as much as digits as its factorization.

13331445613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283647826.

The product of its digits is 38880, while the sum is 34.

Adding to 13331445613 its reverse (31654413331), we get a palindrome (44985858944).

The spelling of 13331445613 in words is "thirteen billion, three hundred thirty-one million, four hundred forty-five thousand, six hundred thirteen".