2065429859 has 2 divisors, whose sum is σ = 2065429860. Its totient is φ = 2065429858.

The previous prime is 2065429801. The next prime is 2065429889. The reversal of 2065429859 is 9589245602.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065429859 is a prime.

It is a super-3 number, since 3×2065429859³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2065429889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032714929 + 1032714930.

It is an arithmetic number, because the mean of its divisors is an integer number (1032714930).

Almost surely, 2^2065429859 is an apocalyptic number.

2065429859 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065429859 is an equidigital number, since it uses as much as digits as its factorization.

2065429859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 2065429859 is about 45447.0005500913. Note that the first 3 decimals coincide. The cubic root of 2065429859 is about 1273.5132965141.

Subtracting from 2065429859 its sum of digits (50), we obtain a square (2065429809 = 45447²).

The spelling of 2065429859 in words is "two billion, sixty-five million, four hundred twenty-nine thousand, eight hundred fifty-nine".