28482219569 has 2 divisors, whose sum is σ = 28482219570. Its totient is φ = 28482219568.

The previous prime is 28482219523. The next prime is 28482219583. The reversal of 28482219569 is 96591228482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24649000000 + 3833219569 = 157000^2 + 61913^2 .

It is a cyclic number.

It is not a de Polignac number, because 28482219569 - 2⁸ = 28482219313 is a prime.

It is a super-2 number, since 2×28482219569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28482219589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14241109784 + 14241109785.

It is an arithmetic number, because the mean of its divisors is an integer number (14241109785).

Almost surely, 2^28482219569 is an apocalyptic number.

It is an amenable number.

28482219569 is a deficient number, since it is larger than the sum of its proper divisors (1).

28482219569 is an equidigital number, since it uses as much as digits as its factorization.

28482219569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 56.

The spelling of 28482219569 in words is "twenty-eight billion, four hundred eighty-two million, two hundred nineteen thousand, five hundred sixty-nine".