28588574444449 has 2 divisors, whose sum is σ = 28588574444450. Its totient is φ = 28588574444448.

The previous prime is 28588574444413. The next prime is 28588574444453. The reversal of 28588574444449 is 94444447588582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21280986849424 + 7307587595025 = 4613132^2 + 2703255^2 .

It is a cyclic number.

It is not a de Polignac number, because 28588574444449 - 2⁹ = 28588574443937 is a prime.

It is not a weakly prime, because it can be changed into another prime (28588574744449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14294287222224 + 14294287222225.

It is an arithmetic number, because the mean of its divisors is an integer number (14294287222225).

Almost surely, 2^{28588574444449} is an apocalyptic number.

It is an amenable number.

28588574444449 is a deficient number, since it is larger than the sum of its proper divisors (1).

28588574444449 is an equidigital number, since it uses as much as digits as its factorization.

28588574444449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6606028800, while the sum is 76.

The spelling of 28588574444449 in words is "twenty-eight trillion, five hundred eighty-eight billion, five hundred seventy-four million, four hundred forty-four thousand, four hundred forty-nine".