4428679009 has 2 divisors, whose sum is σ = 4428679010. Its totient is φ = 4428679008.

The previous prime is 4428678971. The next prime is 4428679033. The reversal of 4428679009 is 9009768244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3714293025 + 714385984 = 60945^2 + 26728^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428679009 - 2¹⁵ = 4428646241 is a prime.

It is a super-2 number, since 2×4428679009² = 39226395529514444162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4428679309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214339504 + 2214339505.

It is an arithmetic number, because the mean of its divisors is an integer number (2214339505).

Almost surely, 2^4428679009 is an apocalyptic number.

It is an amenable number.

4428679009 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428679009 is an equidigital number, since it uses as much as digits as its factorization.

4428679009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 4428679009 is about 66548.3208578549. The cubic root of 4428679009 is about 1642.1950343297.

The spelling of 4428679009 in words is "four billion, four hundred twenty-eight million, six hundred seventy-nine thousand, nine".