6432428259 has 12 divisors (see below), whose sum is σ = 9611674800. Its totient is φ = 4140413424.

The previous prime is 6432428243. The next prime is 6432428269. The reversal of 6432428259 is 9528242346.

It is not a de Polignac number, because 6432428259 - 2⁴ = 6432428243 is a prime.

It is a super-2 number, since 2×6432428259² = 82752266614363542162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6432428209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12322399 + ... + 12322920.

It is an arithmetic number, because the mean of its divisors is an integer number (800972900).

Almost surely, 2^6432428259 is an apocalyptic number.

6432428259 is a deficient number, since it is larger than the sum of its proper divisors (3179246541).

6432428259 is a wasteful number, since it uses less digits than its factorization.

6432428259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24645354 (or 24645351 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 6432428259 is about 80202.4205308044. The cubic root of 6432428259 is about 1859.7660571187.

The spelling of 6432428259 in words is "six billion, four hundred thirty-two million, four hundred twenty-eight thousand, two hundred fifty-nine".