6426240213 has 8 divisors (see below), whose sum is σ = 8594207776. Its totient is φ = 4271216400.

The previous prime is 6426240209. The next prime is 6426240217. The reversal of 6426240213 is 3120426246.

It is an interprime number because it is at equal distance from previous prime (6426240209) and next prime (6426240217).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6426240213 - 2² = 6426240209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6426240217) 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 7 ways as a sum of consecutive naturals, for example, 3234778 + ... + 3236763.

It is an arithmetic number, because the mean of its divisors is an integer number (1074275972).

Almost surely, 2^6426240213 is an apocalyptic number.

It is an amenable number.

6426240213 is a deficient number, since it is larger than the sum of its proper divisors (2167967563).

6426240213 is a wasteful number, since it uses less digits than its factorization.

6426240213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471875.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 6426240213 is about 80163.8335722538. The cubic root of 6426240213 is about 1859.1694959765.

Adding to 6426240213 its reverse (3120426246), we get a palindrome (9546666459).

The spelling of 6426240213 in words is "six billion, four hundred twenty-six million, two hundred forty thousand, two hundred thirteen".