4426666213 has 2 divisors, whose sum is σ = 4426666214. Its totient is φ = 4426666212.

The previous prime is 4426666207. The next prime is 4426666259. The reversal of 4426666213 is 3126666244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4186478209 + 240188004 = 64703^2 + 15498^2 .

It is a cyclic number.

It is not a de Polignac number, because 4426666213 - 2⁹ = 4426665701 is a prime.

It is a super-2 number, since 2×4426666213² = 39190747522631522738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4426666813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2213333106 + 2213333107.

It is an arithmetic number, because the mean of its divisors is an integer number (2213333107).

Almost surely, 2^4426666213 is an apocalyptic number.

It is an amenable number.

4426666213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4426666213 is an equidigital number, since it uses as much as digits as its factorization.

4426666213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 40.

The square root of 4426666213 is about 66533.1963233392. The cubic root of 4426666213 is about 1641.9462088541.

The spelling of 4426666213 in words is "four billion, four hundred twenty-six million, six hundred sixty-six thousand, two hundred thirteen".