13353441481 has 4 divisors (see below), whose sum is σ = 13361721732. Its totient is φ = 13345161232.

The previous prime is 13353441473. The next prime is 13353441589. The reversal of 13353441481 is 18414435331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5612257225 + 7741184256 = 74915^2 + 87984^2 .

It is a cyclic number.

It is not a de Polignac number, because 13353441481 - 2³ = 13353441473 is a prime.

It is a super-3 number, since 3×13353441481³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 13353441481.

It is not an unprimeable number, because it can be changed into a prime (13353441461) 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 3 ways as a sum of consecutive naturals, for example, 4137706 + ... + 4140931.

It is an arithmetic number, because the mean of its divisors is an integer number (3340430433).

Almost surely, 2^13353441481 is an apocalyptic number.

It is an amenable number.

13353441481 is a deficient number, since it is larger than the sum of its proper divisors (8280251).

13353441481 is an equidigital number, since it uses as much as digits as its factorization.

13353441481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8280250.

The product of its digits is 69120, while the sum is 37.

The spelling of 13353441481 in words is "thirteen billion, three hundred fifty-three million, four hundred forty-one thousand, four hundred eighty-one".