13244442001 has 4 divisors (see below), whose sum is σ = 15136505152. Its totient is φ = 11352378852.

The previous prime is 13244441981. The next prime is 13244442007. The reversal of 13244442001 is 10024444231.

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.

It is a cyclic number.

It is not a de Polignac number, because 13244442001 - 2¹³ = 13244433809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13244442007) 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, 946031565 + ... + 946031578.

It is an arithmetic number, because the mean of its divisors is an integer number (3784126288).

Almost surely, 2^13244442001 is an apocalyptic number.

It is an amenable number.

13244442001 is a deficient number, since it is larger than the sum of its proper divisors (1892063151).

13244442001 is an equidigital number, since it uses as much as digits as its factorization.

13244442001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892063150.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 13244442001 its reverse (10024444231), we get a palindrome (23268886232).

The spelling of 13244442001 in words is "thirteen billion, two hundred forty-four million, four hundred forty-two thousand, one".