13522816859 has 4 divisors (see below), whose sum is σ = 13837301016. Its totient is φ = 13208332704.

The previous prime is 13522816847. The next prime is 13522816883. The reversal of 13522816859 is 95861822531.

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

It is not a de Polignac number, because 13522816859 - 2⁴ = 13522816843 is a prime.

It is a super-3 number, since 3×13522816859³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13522216859) 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, 157242014 + ... + 157242099.

It is an arithmetic number, because the mean of its divisors is an integer number (3459325254).

Almost surely, 2^13522816859 is an apocalyptic number.

13522816859 is a deficient number, since it is larger than the sum of its proper divisors (314484157).

13522816859 is an equidigital number, since it uses as much as digits as its factorization.

13522816859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314484156.

The product of its digits is 1036800, while the sum is 50.

The spelling of 13522816859 in words is "thirteen billion, five hundred twenty-two million, eight hundred sixteen thousand, eight hundred fifty-nine".