4428828791 has 2 divisors, whose sum is σ = 4428828792. Its totient is φ = 4428828790.

The previous prime is 4428828787. The next prime is 4428828799. The reversal of 4428828791 is 1978288244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4428828791 - 2² = 4428828787 is a prime.

It is a super-2 number, since 2×4428828791² = 39229048919981043362, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428828799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214414395 + 2214414396.

It is an arithmetic number, because the mean of its divisors is an integer number (2214414396).

Almost surely, 2^4428828791 is an apocalyptic number.

4428828791 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428828791 is an equidigital number, since it uses as much as digits as its factorization.

4428828791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 53.

The square root of 4428828791 is about 66549.4462110693. The cubic root of 4428828791 is about 1642.2135476368.

The spelling of 4428828791 in words is "four billion, four hundred twenty-eight million, eight hundred twenty-eight thousand, seven hundred ninety-one".