43628312171933 has 2 divisors, whose sum is σ = 43628312171934. Its totient is φ = 43628312171932.

The previous prime is 43628312171863. The next prime is 43628312172041. The reversal of 43628312171933 is 33917121382634.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27055165325764 + 16573146846169 = 5201458^2 + 4071013^2 .

It is a cyclic number.

It is not a de Polignac number, because 43628312171933 - 2²² = 43628307977629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43628312171333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21814156085966 + 21814156085967.

It is an arithmetic number, because the mean of its divisors is an integer number (21814156085967).

Almost surely, 2^{43628312171933} is an apocalyptic number.

It is an amenable number.

43628312171933 is a deficient number, since it is larger than the sum of its proper divisors (1).

43628312171933 is an equidigital number, since it uses as much as digits as its factorization.

43628312171933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 53.

The spelling of 43628312171933 in words is "forty-three trillion, six hundred twenty-eight billion, three hundred twelve million, one hundred seventy-one thousand, nine hundred thirty-three".