2133643271 has 2 divisors, whose sum is σ = 2133643272. Its totient is φ = 2133643270.

The previous prime is 2133643229. The next prime is 2133643301. The reversal of 2133643271 is 1723463312.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2133643271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2133643571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066821635 + 1066821636.

It is an arithmetic number, because the mean of its divisors is an integer number (1066821636).

Almost surely, 2^2133643271 is an apocalyptic number.

2133643271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133643271 is an equidigital number, since it uses as much as digits as its factorization.

2133643271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 2133643271 is about 46191.3765869778. The cubic root of 2133643271 is about 1287.3815184401.

The spelling of 2133643271 in words is "two billion, one hundred thirty-three million, six hundred forty-three thousand, two hundred seventy-one".