4428688213 has 2 divisors, whose sum is σ = 4428688214. Its totient is φ = 4428688212.

The previous prime is 4428688193. The next prime is 4428688217. The reversal of 4428688213 is 3128868244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3363188049 + 1065500164 = 57993^2 + 32642^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428688213 - 2²⁵ = 4395133781 is a prime.

It is a super-2 number, since 2×4428688213² = 39226558575930266738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428688217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214344106 + 2214344107.

It is an arithmetic number, because the mean of its divisors is an integer number (2214344107).

Almost surely, 2^4428688213 is an apocalyptic number.

It is an amenable number.

4428688213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428688213 is an equidigital number, since it uses as much as digits as its factorization.

4428688213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 589824, while the sum is 46.

The square root of 4428688213 is about 66548.3900105780. The cubic root of 4428688213 is about 1642.1961719716.

The spelling of 4428688213 in words is "four billion, four hundred twenty-eight million, six hundred eighty-eight thousand, two hundred thirteen".