43143402241 has 4 divisors (see below), whose sum is σ = 43663202352. Its totient is φ = 42623602132.

The previous prime is 43143402199. The next prime is 43143402257. The reversal of 43143402241 is 14220434134.

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.

It is a cyclic number.

It is not a de Polignac number, because 43143402241 - 2¹⁵ = 43143369473 is a prime.

It is a super-2 number, since 2×43143402241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43143402641) 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, 259899931 + ... + 259900096.

It is an arithmetic number, because the mean of its divisors is an integer number (10915800588).

Almost surely, 2^43143402241 is an apocalyptic number.

It is an amenable number.

43143402241 is a deficient number, since it is larger than the sum of its proper divisors (519800111).

43143402241 is an equidigital number, since it uses as much as digits as its factorization.

43143402241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519800110.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 43143402241 its reverse (14220434134), we get a palindrome (57363836375).

The spelling of 43143402241 in words is "forty-three billion, one hundred forty-three million, four hundred two thousand, two hundred forty-one".