4144431334013 has 4 divisors (see below), whose sum is σ = 4170828985980. Its totient is φ = 4118033682048.

The previous prime is 4144431333989. The next prime is 4144431334073. The reversal of 4144431334013 is 3104331344414.

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 2727062509924 + 1417368824089 = 1651382^2 + 1190533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4144431334013 is a prime.

It is a super-2 number, since 2×4144431334013² (a number of 26 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 (4144431334073) 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, 13198825748 + ... + 13198826061.

It is an arithmetic number, because the mean of its divisors is an integer number (1042707246495).

Almost surely, 2^{4144431334013} is an apocalyptic number.

It is an amenable number.

4144431334013 is a deficient number, since it is larger than the sum of its proper divisors (26397651967).

4144431334013 is a wasteful number, since it uses less digits than its factorization.

4144431334013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26397651966.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 4144431334013 its reverse (3104331344414), we get a palindrome (7248762678427).

The spelling of 4144431334013 in words is "four trillion, one hundred forty-four billion, four hundred thirty-one million, three hundred thirty-four thousand, thirteen".