32444023013 has 4 divisors (see below), whose sum is σ = 32469194220. Its totient is φ = 32418851808.

The previous prime is 32444022979. The next prime is 32444023033. The reversal of 32444023013 is 31032044423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31032044423 = 659 ⋅47089597.

It can be written as a sum of positive squares in 2 ways, for example, as 24945675364 + 7498347649 = 157942^2 + 86593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32444023013 is a prime.

It is a super-2 number, since 2×32444023013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32444023033) 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, 12583670 + ... + 12586247.

It is an arithmetic number, because the mean of its divisors is an integer number (8117298555).

Almost surely, 2^32444023013 is an apocalyptic number.

It is an amenable number.

32444023013 is a deficient number, since it is larger than the sum of its proper divisors (25171207).

32444023013 is a wasteful number, since it uses less digits than its factorization.

32444023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25171206.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 32444023013 its reverse (31032044423), we get a palindrome (63476067436).

The spelling of 32444023013 in words is "thirty-two billion, four hundred forty-four million, twenty-three thousand, thirteen".