43043254133 has 12 divisors (see below), whose sum is σ = 47780455884. Its totient is φ = 38742792000.

The previous prime is 43043254127. The next prime is 43043254183. The reversal of 43043254133 is 33145234034.

It can be written as a sum of positive squares in 2 ways, for example, as 41802664849 + 1240589284 = 204457^2 + 35222^2 .

It is not a de Polignac number, because 43043254133 - 2¹⁰ = 43043253109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43043254133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43043254123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1748816 + ... + 1773257.

It is an arithmetic number, because the mean of its divisors is an integer number (3981704657).

Almost surely, 2^43043254133 is an apocalyptic number.

It is an amenable number.

43043254133 is a deficient number, since it is larger than the sum of its proper divisors (4737201751).

43043254133 is a wasteful number, since it uses less digits than its factorization.

43043254133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522196 (or 3522185 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 43043254133 its reverse (33145234034), we get a palindrome (76188488167).

The spelling of 43043254133 in words is "forty-three billion, forty-three million, two hundred fifty-four thousand, one hundred thirty-three".