43035012363809 has 2 divisors, whose sum is σ = 43035012363810. Its totient is φ = 43035012363808.

The previous prime is 43035012363719. The next prime is 43035012363821. The reversal of 43035012363809 is 90836321053034.

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., 28610945166400 + 14424067197409 = 5348920^2 + 3797903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43035012363809 is a prime.

It is not a weakly prime, because it can be changed into another prime (43035012363839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21517506181904 + 21517506181905.

It is an arithmetic number, because the mean of its divisors is an integer number (21517506181905).

Almost surely, 2^{43035012363809} is an apocalyptic number.

It is an amenable number.

43035012363809 is a deficient number, since it is larger than the sum of its proper divisors (1).

43035012363809 is an equidigital number, since it uses as much as digits as its factorization.

43035012363809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The spelling of 43035012363809 in words is "forty-three trillion, thirty-five billion, twelve million, three hundred sixty-three thousand, eight hundred nine".