43133122217 has 2 divisors, whose sum is σ = 43133122218. Its totient is φ = 43133122216.

The previous prime is 43133122187. The next prime is 43133122261. The reversal of 43133122217 is 71222133134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34217230441 + 8915891776 = 184979^2 + 94424^2 .

It is a cyclic number.

It is not a de Polignac number, because 43133122217 - 2²² = 43128927913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43133122217.

It is not a weakly prime, because it can be changed into another prime (43133122817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21566561108 + 21566561109.

It is an arithmetic number, because the mean of its divisors is an integer number (21566561109).

Almost surely, 2^43133122217 is an apocalyptic number.

It is an amenable number.

43133122217 is a deficient number, since it is larger than the sum of its proper divisors (1).

43133122217 is an equidigital number, since it uses as much as digits as its factorization.

43133122217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The spelling of 43133122217 in words is "forty-three billion, one hundred thirty-three million, one hundred twenty-two thousand, two hundred seventeen".