43321142041 has 4 divisors (see below), whose sum is σ = 45869444532. Its totient is φ = 40772839552.

The previous prime is 43321142027. The next prime is 43321142047. The reversal of 43321142041 is 14024112334.

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 39162826816 + 4158315225 = 197896^2 + 64485^2 .

It is a cyclic number.

It is not a de Polignac number, because 43321142041 - 2⁵ = 43321142009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43321141997 and 43321142015.

It is not an unprimeable number, because it can be changed into a prime (43321142047) 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, 1274151220 + ... + 1274151253.

It is an arithmetic number, because the mean of its divisors is an integer number (11467361133).

Almost surely, 2^43321142041 is an apocalyptic number.

It is an amenable number.

43321142041 is a deficient number, since it is larger than the sum of its proper divisors (2548302491).

43321142041 is a wasteful number, since it uses less digits than its factorization.

43321142041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548302490.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 43321142041 its reverse (14024112334), we get a palindrome (57345254375).

The spelling of 43321142041 in words is "forty-three billion, three hundred twenty-one million, one hundred forty-two thousand, forty-one".