13260464645 has 4 divisors (see below), whose sum is σ = 15912557580. Its totient is φ = 10608371712.

The previous prime is 13260464639. The next prime is 13260464671. The reversal of 13260464645 is 54646406231.

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 3759283969 + 9501180676 = 61313^2 + 97474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13260464645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326046460 + ... + 1326046469.

It is an arithmetic number, because the mean of its divisors is an integer number (3978139395).

Almost surely, 2^13260464645 is an apocalyptic number.

It is an amenable number.

13260464645 is a deficient number, since it is larger than the sum of its proper divisors (2652092935).

13260464645 is an equidigital number, since it uses as much as digits as its factorization.

13260464645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2652092934.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 13260464645 in words is "thirteen billion, two hundred sixty million, four hundred sixty-four thousand, six hundred forty-five".