43741204009 has 4 divisors (see below), whose sum is σ = 43744171716. Its totient is φ = 43738236304.

The previous prime is 43741204007. The next prime is 43741204037. The reversal of 43741204009 is 90040214734.

It is a happy number.

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 33007622400 + 10733581609 = 181680^2 + 103603^2 .

It is a cyclic number.

It is not a de Polignac number, because 43741204009 - 2¹ = 43741204007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43741204007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1461634 + ... + 1491259.

It is an arithmetic number, because the mean of its divisors is an integer number (10936042929).

Almost surely, 2^43741204009 is an apocalyptic number.

It is an amenable number.

43741204009 is a deficient number, since it is larger than the sum of its proper divisors (2967707).

43741204009 is a wasteful number, since it uses less digits than its factorization.

43741204009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967706.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 43741204009 in words is "forty-three billion, seven hundred forty-one million, two hundred four thousand, nine".