4428390919 has 2 divisors, whose sum is σ = 4428390920. Its totient is φ = 4428390918.

The previous prime is 4428390893. The next prime is 4428390931. The reversal of 4428390919 is 9190938244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4428390919 - 2¹³ = 4428382727 is a prime.

It is a super-2 number, since 2×4428390919² = 39221292262963329122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428390119) 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 as a sum of consecutive naturals, namely, 2214195459 + 2214195460.

It is an arithmetic number, because the mean of its divisors is an integer number (2214195460).

Almost surely, 2^4428390919 is an apocalyptic number.

4428390919 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428390919 is an equidigital number, since it uses as much as digits as its factorization.

4428390919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 49.

The square root of 4428390919 is about 66546.1563052292. The cubic root of 4428390919 is about 1642.1594247476.

The spelling of 4428390919 in words is "four billion, four hundred twenty-eight million, three hundred ninety thousand, nine hundred nineteen".