4428548216797 has 2 divisors, whose sum is σ = 4428548216798. Its totient is φ = 4428548216796.

The previous prime is 4428548216783. The next prime is 4428548216861. The reversal of 4428548216797 is 7976128458244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2254769524921 + 2173778691876 = 1501589^2 + 1474374^2 .

It is a cyclic number.

It is not a de Polignac number, because 4428548216797 - 2¹⁵ = 4428548184029 is a prime.

It is a super-2 number, since 2×4428548216797² (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 (4428548216497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214274108398 + 2214274108399.

It is an arithmetic number, because the mean of its divisors is an integer number (2214274108399).

Almost surely, 2^{4428548216797} is an apocalyptic number.

It is an amenable number.

4428548216797 is a deficient number, since it is larger than the sum of its proper divisors (1).

4428548216797 is an equidigital number, since it uses as much as digits as its factorization.

4428548216797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216760320, while the sum is 67.

The spelling of 4428548216797 in words is "four trillion, four hundred twenty-eight billion, five hundred forty-eight million, two hundred sixteen thousand, seven hundred ninety-seven".