2129392271 has 2 divisors, whose sum is σ = 2129392272. Its totient is φ = 2129392270.

The previous prime is 2129392267. The next prime is 2129392283. The reversal of 2129392271 is 1722939212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2129392271 - 2² = 2129392267 is a prime.

It is a super-2 number, since 2×2129392271² = 9068622887589074882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2129392211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064696135 + 1064696136.

It is an arithmetic number, because the mean of its divisors is an integer number (1064696136).

Almost surely, 2^2129392271 is an apocalyptic number.

2129392271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129392271 is an equidigital number, since it uses as much as digits as its factorization.

2129392271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 2129392271 is about 46145.3385619826. The cubic root of 2129392271 is about 1286.5259712716.

The spelling of 2129392271 in words is "two billion, one hundred twenty-nine million, three hundred ninety-two thousand, two hundred seventy-one".