43254133217 has 2 divisors, whose sum is σ = 43254133218. Its totient is φ = 43254133216.

The previous prime is 43254133187. The next prime is 43254133253. The reversal of 43254133217 is 71233145234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27226320016 + 16027813201 = 165004^2 + 126601^2 .

It is a cyclic number.

It is not a de Polignac number, because 43254133217 - 2³⁴ = 26074264033 is a prime.

It is not a weakly prime, because it can be changed into another prime (43254133817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21627066608 + 21627066609.

It is an arithmetic number, because the mean of its divisors is an integer number (21627066609).

Almost surely, 2^43254133217 is an apocalyptic number.

It is an amenable number.

43254133217 is a deficient number, since it is larger than the sum of its proper divisors (1).

43254133217 is an equidigital number, since it uses as much as digits as its factorization.

43254133217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 35.

The spelling of 43254133217 in words is "forty-three billion, two hundred fifty-four million, one hundred thirty-three thousand, two hundred seventeen".