13253391329 has 4 divisors (see below), whose sum is σ = 13561609776. Its totient is φ = 12945172884.

The previous prime is 13253391289. The next prime is 13253391331. The reversal of 13253391329 is 92319335231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92319335231 = 2857 ⋅32313383.

It is a cyclic number.

It is not a de Polignac number, because 13253391329 - 2¹² = 13253387233 is a prime.

It is a super-2 number, since 2×13253391329² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13253381329) 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, 154109159 + ... + 154109244.

It is an arithmetic number, because the mean of its divisors is an integer number (3390402444).

Almost surely, 2^13253391329 is an apocalyptic number.

It is an amenable number.

13253391329 is a deficient number, since it is larger than the sum of its proper divisors (308218447).

13253391329 is an equidigital number, since it uses as much as digits as its factorization.

13253391329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308218446.

The product of its digits is 131220, while the sum is 41.

The spelling of 13253391329 in words is "thirteen billion, two hundred fifty-three million, three hundred ninety-one thousand, three hundred twenty-nine".