43344143453 has 4 divisors (see below), whose sum is σ = 46678308348. Its totient is φ = 40009978560.

The previous prime is 43344143429. The next prime is 43344143461. The reversal of 43344143453 is 35434144334.

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 6188496889 + 37155646564 = 78667^2 + 192758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43344143453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43344163453) 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, 1667082428 + ... + 1667082453.

It is an arithmetic number, because the mean of its divisors is an integer number (11669577087).

Almost surely, 2^43344143453 is an apocalyptic number.

It is an amenable number.

43344143453 is a deficient number, since it is larger than the sum of its proper divisors (3334164895).

43344143453 is a wasteful number, since it uses less digits than its factorization.

43344143453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334164894.

The product of its digits is 414720, while the sum is 38.

Adding to 43344143453 its reverse (35434144334), we get a palindrome (78778287787).

The spelling of 43344143453 in words is "forty-three billion, three hundred forty-four million, one hundred forty-three thousand, four hundred fifty-three".