43134646433 has 2 divisors, whose sum is σ = 43134646434. Its totient is φ = 43134646432.

The previous prime is 43134646421. The next prime is 43134646483. The reversal of 43134646433 is 33464643134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27130372369 + 16004274064 = 164713^2 + 126508^2 .

It is a cyclic number.

It is not a de Polignac number, because 43134646433 - 2¹² = 43134642337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (43134646403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21567323216 + 21567323217.

It is an arithmetic number, because the mean of its divisors is an integer number (21567323217).

Almost surely, 2^43134646433 is an apocalyptic number.

It is an amenable number.

43134646433 is a deficient number, since it is larger than the sum of its proper divisors (1).

43134646433 is an equidigital number, since it uses as much as digits as its factorization.

43134646433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 41.

The spelling of 43134646433 in words is "forty-three billion, one hundred thirty-four million, six hundred forty-six thousand, four hundred thirty-three".