2171433133 has 2 divisors, whose sum is σ = 2171433134. Its totient is φ = 2171433132.

The previous prime is 2171433127. The next prime is 2171433233. The reversal of 2171433133 is 3313341712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1281783204 + 889649929 = 35802^2 + 29827^2 .

It is a cyclic number.

It is not a de Polignac number, because 2171433133 - 2⁵ = 2171433101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2171433113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085716566 + 1085716567.

It is an arithmetic number, because the mean of its divisors is an integer number (1085716567).

Almost surely, 2^2171433133 is an apocalyptic number.

It is an amenable number.

2171433133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171433133 is an equidigital number, since it uses as much as digits as its factorization.

2171433133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 2171433133 is about 46598.6387462123. The cubic root of 2171433133 is about 1294.9375367774.

Adding to 2171433133 its reverse (3313341712), we get a palindrome (5484774845).

The spelling of 2171433133 in words is "two billion, one hundred seventy-one million, four hundred thirty-three thousand, one hundred thirty-three".