43143034549 has 4 divisors (see below), whose sum is σ = 43143505120. Its totient is φ = 43142563980.

The previous prime is 43143034547. The next prime is 43143034559. The reversal of 43143034549 is 94543034134.

43143034549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 43143034549 - 2¹ = 43143034547 is a prime.

It is a super-2 number, since 2×43143034549² (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 (43143034541) 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, 48147 + ... + 297664.

It is an arithmetic number, because the mean of its divisors is an integer number (10785876280).

Almost surely, 2^43143034549 is an apocalyptic number.

It is an amenable number.

43143034549 is a deficient number, since it is larger than the sum of its proper divisors (470571).

43143034549 is a wasteful number, since it uses less digits than its factorization.

43143034549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470570.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 43143034549 in words is "forty-three billion, one hundred forty-three million, thirty-four thousand, five hundred forty-nine".