13235459465 has 4 divisors (see below), whose sum is σ = 15882551364. Its totient is φ = 10588367568.

The previous prime is 13235459459. The next prime is 13235459507. The reversal of 13235459465 is 56495453231.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7877805049 + 5357654416 = 88757^2 + 73196^2 .

It is a cyclic number.

It is not a de Polignac number, because 13235459465 - 2²² = 13231265161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1323545942 + ... + 1323545951.

It is an arithmetic number, because the mean of its divisors is an integer number (3970637841).

Almost surely, 2^13235459465 is an apocalyptic number.

It is an amenable number.

13235459465 is a deficient number, since it is larger than the sum of its proper divisors (2647091899).

13235459465 is an equidigital number, since it uses as much as digits as its factorization.

13235459465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647091898.

The product of its digits is 1944000, while the sum is 47.

The spelling of 13235459465 in words is "thirteen billion, two hundred thirty-five million, four hundred fifty-nine thousand, four hundred sixty-five".