2129288443 has 2 divisors, whose sum is σ = 2129288444. Its totient is φ = 2129288442.

The previous prime is 2129288417. The next prime is 2129288453. The reversal of 2129288443 is 3448829212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2129288443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2129288443.

It is not a weakly prime, because it can be changed into another prime (2129288453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064644221 + 1064644222.

It is an arithmetic number, because the mean of its divisors is an integer number (1064644222).

Almost surely, 2^2129288443 is an apocalyptic number.

2129288443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129288443 is an equidigital number, since it uses as much as digits as its factorization.

2129288443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 43.

The square root of 2129288443 is about 46144.2135375607. The cubic root of 2129288443 is about 1286.5050608313.

The spelling of 2129288443 in words is "two billion, one hundred twenty-nine million, two hundred eighty-eight thousand, four hundred forty-three".