4428548216783 has 2 divisors, whose sum is σ = 4428548216784. Its totient is φ = 4428548216782.

The previous prime is 4428548216723. The next prime is 4428548216797. The reversal of 4428548216783 is 3876128458244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4428548216783 - 2¹² = 4428548212687 is a prime.

It is a super-2 number, since 2×4428548216783² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4428548216723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214274108391 + 2214274108392.

It is an arithmetic number, because the mean of its divisors is an integer number (2214274108392).

Almost surely, 2^{4428548216783} is an apocalyptic number.

4428548216783 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428548216783 is an equidigital number, since it uses as much as digits as its factorization.

4428548216783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82575360, while the sum is 62.

The spelling of 4428548216783 in words is "four trillion, four hundred twenty-eight billion, five hundred forty-eight million, two hundred sixteen thousand, seven hundred eighty-three".