13289572393 has 4 divisors (see below), whose sum is σ = 13747833540. Its totient is φ = 12831311248.

The previous prime is 13289572391. The next prime is 13289572427. The reversal of 13289572393 is 39327598231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39327598231 = 31 ⋅1268632201.

It can be written as a sum of positive squares in 2 ways, for example, as 9426079744 + 3863492649 = 97088^2 + 62157^2 .

It is a cyclic number.

It is not a de Polignac number, because 13289572393 - 2¹ = 13289572391 is a prime.

It is a super-2 number, since 2×13289572393² (a number of 21 digits) contains 22 as substring.

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 13289572393.

It is not an unprimeable number, because it can be changed into a prime (13289572391) 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, 229130530 + ... + 229130587.

It is an arithmetic number, because the mean of its divisors is an integer number (3436958385).

Almost surely, 2^13289572393 is an apocalyptic number.

It is an amenable number.

13289572393 is a deficient number, since it is larger than the sum of its proper divisors (458261147).

13289572393 is an equidigital number, since it uses as much as digits as its factorization.

13289572393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458261146.

The product of its digits is 2449440, while the sum is 52.

The spelling of 13289572393 in words is "thirteen billion, two hundred eighty-nine million, five hundred seventy-two thousand, three hundred ninety-three".