43094815057009 has 2 divisors, whose sum is σ = 43094815057010. Its totient is φ = 43094815057008.

The previous prime is 43094815056991. The next prime is 43094815057013. The reversal of 43094815057009 is 90075051849034.

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., 35552360256400 + 7542454800609 = 5962580^2 + 2746353^2 .

It is a cyclic number.

It is not a de Polignac number, because 43094815057009 - 2⁹ = 43094815056497 is a prime.

It is not a weakly prime, because it can be changed into another prime (43094815057409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21547407528504 + 21547407528505.

It is an arithmetic number, because the mean of its divisors is an integer number (21547407528505).

Almost surely, 2^{43094815057009} is an apocalyptic number.

It is an amenable number.

43094815057009 is a deficient number, since it is larger than the sum of its proper divisors (1).

43094815057009 is an equidigital number, since it uses as much as digits as its factorization.

43094815057009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 43094815057009 in words is "forty-three trillion, ninety-four billion, eight hundred fifteen million, fifty-seven thousand, nine".