43225254332209 has 2 divisors, whose sum is σ = 43225254332210. Its totient is φ = 43225254332208.

The previous prime is 43225254332203. The next prime is 43225254332261. The reversal of 43225254332209 is 90223345252234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23329595525184 + 19895658807025 = 4830072^2 + 4460455^2 .

It is a cyclic number.

It is not a de Polignac number, because 43225254332209 - 2¹¹ = 43225254330161 is a prime.

It is a super-2 number, since 2×43225254332209² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43225254332203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21612627166104 + 21612627166105.

It is an arithmetic number, because the mean of its divisors is an integer number (21612627166105).

Almost surely, 2^{43225254332209} is an apocalyptic number.

It is an amenable number.

43225254332209 is a deficient number, since it is larger than the sum of its proper divisors (1).

43225254332209 is an equidigital number, since it uses as much as digits as its factorization.

43225254332209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 46.

The spelling of 43225254332209 in words is "forty-three trillion, two hundred twenty-five billion, two hundred fifty-four million, three hundred thirty-two thousand, two hundred nine".