13443357669 has 16 divisors (see below), whose sum is σ = 21145927680. Its totient is φ = 7434114480.

The previous prime is 13443357661. The next prime is 13443357691. The reversal of 13443357669 is 96675334431.

13443357669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13443357669 - 2³ = 13443357661 is a prime.

It is a super-2 number, since 2×13443357669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443357661) 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 15 ways as a sum of consecutive naturals, for example, 10324509 + ... + 10325810.

It is an arithmetic number, because the mean of its divisors is an integer number (1321620480).

Almost surely, 2^13443357669 is an apocalyptic number.

It is an amenable number.

13443357669 is a deficient number, since it is larger than the sum of its proper divisors (7702570011).

13443357669 is a wasteful number, since it uses less digits than its factorization.

13443357669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20650360.

The product of its digits is 4898880, while the sum is 51.

The spelling of 13443357669 in words is "thirteen billion, four hundred forty-three million, three hundred fifty-seven thousand, six hundred sixty-nine".