13551444013 has 8 divisors (see below), whose sum is σ = 13720838040. Its totient is φ = 13382740800.

The previous prime is 13551444001. The next prime is 13551444029. The reversal of 13551444013 is 31044415531.

13551444013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7956104809 + 5595339204 = 89197^2 + 74802^2 .

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 13551444013 - 2²⁹ = 13014573101 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 (13551244013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133170 + ... + 211747.

It is an arithmetic number, because the mean of its divisors is an integer number (1715104755).

Almost surely, 2^13551444013 is an apocalyptic number.

It is an amenable number.

13551444013 is a deficient number, since it is larger than the sum of its proper divisors (169394027).

13551444013 is a wasteful number, since it uses less digits than its factorization.

13551444013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345407.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 13551444013 its reverse (31044415531), we get a palindrome (44595859544).

The spelling of 13551444013 in words is "thirteen billion, five hundred fifty-one million, four hundred forty-four thousand, thirteen".