6426226249 has 2 divisors, whose sum is σ = 6426226250. Its totient is φ = 6426226248.

The previous prime is 6426226229. The next prime is 6426226327. The reversal of 6426226249 is 9426226246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6425144649 + 1081600 = 80157^2 + 1040^2 .

It is a cyclic number.

It is not a de Polignac number, because 6426226249 - 2⁵ = 6426226217 is a prime.

It is a super-2 number, since 2×6426226249² = 82592767606673220002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6426226229) 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 as a sum of consecutive naturals, namely, 3213113124 + 3213113125.

It is an arithmetic number, because the mean of its divisors is an integer number (3213113125).

Almost surely, 2^6426226249 is an apocalyptic number.

It is an amenable number.

6426226249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6426226249 is an equidigital number, since it uses as much as digits as its factorization.

6426226249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 43.

The square root of 6426226249 is about 80163.7464755734. The cubic root of 6426226249 is about 1859.1681493383.

The spelling of 6426226249 in words is "six billion, four hundred twenty-six million, two hundred twenty-six thousand, two hundred forty-nine".