4428668245 has 4 divisors (see below), whose sum is σ = 5314401900. Its totient is φ = 3542934592.

The previous prime is 4428668243. The next prime is 4428668263. The reversal of 4428668245 is 5428668244.

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 701932036 + 3726736209 = 26494^2 + 61047^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428668245 - 2¹ = 4428668243 is a prime.

It is a super-2 number, since 2×4428668245² = 39226204848542760050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4428668243) 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 3 ways as a sum of consecutive naturals, for example, 442866820 + ... + 442866829.

It is an arithmetic number, because the mean of its divisors is an integer number (1328600475).

Almost surely, 2^4428668245 is an apocalyptic number.

It is an amenable number.

4428668245 is a deficient number, since it is larger than the sum of its proper divisors (885733655).

4428668245 is an equidigital number, since it uses as much as digits as its factorization.

4428668245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885733654.

The product of its digits is 2949120, while the sum is 49.

The square root of 4428668245 is about 66548.2399842400. The cubic root of 4428668245 is about 1642.1937038651.

Subtracting 4428668245 from its reverse (5428668244), we obtain a palindrome (999999999).

The spelling of 4428668245 in words is "four billion, four hundred twenty-eight million, six hundred sixty-eight thousand, two hundred forty-five".