6430426243 has 2 divisors, whose sum is σ = 6430426244. Its totient is φ = 6430426242.

The previous prime is 6430426229. The next prime is 6430426259. The reversal of 6430426243 is 3426240346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6430426243 - 2²¹ = 6428329091 is a prime.

It is a super-3 number, since 3×6430426243³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6430426199 and 6430426208.

It is not a weakly prime, because it can be changed into another prime (6430426543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215213121 + 3215213122.

It is an arithmetic number, because the mean of its divisors is an integer number (3215213122).

Almost surely, 2^6430426243 is an apocalyptic number.

6430426243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6430426243 is an equidigital number, since it uses as much as digits as its factorization.

6430426243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 34.

The square root of 6430426243 is about 80189.9385396946. The cubic root of 6430426243 is about 1859.5730938190.

Adding to 6430426243 its reverse (3426240346), we get a palindrome (9856666589).

The spelling of 6430426243 in words is "six billion, four hundred thirty million, four hundred twenty-six thousand, two hundred forty-three".