43037074109 has 2 divisors, whose sum is σ = 43037074110. Its totient is φ = 43037074108.

The previous prime is 43037074051. The next prime is 43037074123. The reversal of 43037074109 is 90147073034.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42744322009 + 292752100 = 206747^2 + 17110^2 .

It is a cyclic number.

It is not a de Polignac number, because 43037074109 - 2⁸ = 43037073853 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43037074309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21518537054 + 21518537055.

It is an arithmetic number, because the mean of its divisors is an integer number (21518537055).

Almost surely, 2^43037074109 is an apocalyptic number.

It is an amenable number.

43037074109 is a deficient number, since it is larger than the sum of its proper divisors (1).

43037074109 is an equidigital number, since it uses as much as digits as its factorization.

43037074109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The spelling of 43037074109 in words is "forty-three billion, thirty-seven million, seventy-four thousand, one hundred nine".