6428434231 has 2 divisors, whose sum is σ = 6428434232. Its totient is φ = 6428434230.

The previous prime is 6428434223. The next prime is 6428434273. The reversal of 6428434231 is 1324348246.

6428434231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6428434231 - 2³ = 6428434223 is a prime.

It is a super-2 number, since 2×6428434231² = 82649533324585122722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6428434211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214217115 + 3214217116.

It is an arithmetic number, because the mean of its divisors is an integer number (3214217116).

Almost surely, 2^6428434231 is an apocalyptic number.

6428434231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6428434231 is an equidigital number, since it uses as much as digits as its factorization.

6428434231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 37.

The square root of 6428434231 is about 80177.5169919847. The cubic root of 6428434231 is about 1859.3810549947.

The spelling of 6428434231 in words is "six billion, four hundred twenty-eight million, four hundred thirty-four thousand, two hundred thirty-one".