2129260459 has 2 divisors, whose sum is σ = 2129260460. Its totient is φ = 2129260458.

The previous prime is 2129260363. The next prime is 2129260477. The reversal of 2129260459 is 9540629212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2129260459 - 2²⁵ = 2095706027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2129260759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064630229 + 1064630230.

It is an arithmetic number, because the mean of its divisors is an integer number (1064630230).

Almost surely, 2^2129260459 is an apocalyptic number.

2129260459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129260459 is an equidigital number, since it uses as much as digits as its factorization.

2129260459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 2129260459 is about 46143.9103132797. The cubic root of 2129260459 is about 1286.4994248773.

The spelling of 2129260459 in words is "two billion, one hundred twenty-nine million, two hundred sixty thousand, four hundred fifty-nine".