6424306213 has 4 divisors (see below), whose sum is σ = 6918483628. Its totient is φ = 5930128800.

The previous prime is 6424306181. The next prime is 6424306219. The reversal of 6424306213 is 3126034246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3638261124 + 2786045089 = 60318^2 + 52783^2 .

It is a cyclic number.

It is not a de Polignac number, because 6424306213 - 2⁵ = 6424306181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424306219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247088688 + ... + 247088713.

It is an arithmetic number, because the mean of its divisors is an integer number (1729620907).

Almost surely, 2^6424306213 is an apocalyptic number.

It is an amenable number.

6424306213 is a deficient number, since it is larger than the sum of its proper divisors (494177415).

6424306213 is a wasteful number, since it uses less digits than its factorization.

6424306213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494177414.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 6424306213 is about 80151.7698681695. The cubic root of 6424306213 is about 1858.9829693579.

The spelling of 6424306213 in words is "six billion, four hundred twenty-four million, three hundred six thousand, two hundred thirteen".