13244278505 has 8 divisors (see below), whose sum is σ = 16094313600. Its totient is φ = 10461303216.

The previous prime is 13244278499. The next prime is 13244278517. The reversal of 13244278505 is 50587244231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13244278505 - 2²² = 13240084201 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16764515 + ... + 16765304.

It is an arithmetic number, because the mean of its divisors is an integer number (2011789200).

Almost surely, 2^13244278505 is an apocalyptic number.

It is an amenable number.

13244278505 is a deficient number, since it is larger than the sum of its proper divisors (2850035095).

13244278505 is an equidigital number, since it uses as much as digits as its factorization.

13244278505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33529903.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 13244278505 in words is "thirteen billion, two hundred forty-four million, two hundred seventy-eight thousand, five hundred five".