6430426203 has 16 divisors (see below), whose sum is σ = 8720870400. Its totient is φ = 4213570080.

The previous prime is 6430426169. The next prime is 6430426207. The reversal of 6430426203 is 3026240346.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6430426203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6430426207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251128 + ... + 275546.

It is an arithmetic number, because the mean of its divisors is an integer number (545054400).

Almost surely, 2^6430426203 is an apocalyptic number.

6430426203 is a deficient number, since it is larger than the sum of its proper divisors (2290444197).

6430426203 is a wasteful number, since it uses less digits than its factorization.

6430426203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25922.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 6430426203 is about 80189.9382902868. The cubic root of 6430426203 is about 1859.5730899633.

Adding to 6430426203 its reverse (3026240346), we get a palindrome (9456666549).

The spelling of 6430426203 in words is "six billion, four hundred thirty million, four hundred twenty-six thousand, two hundred three".