28493939483 has 2 divisors, whose sum is σ = 28493939484. Its totient is φ = 28493939482.

The previous prime is 28493939477. The next prime is 28493939497. The reversal of 28493939483 is 38493939482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28493939483 - 2¹² = 28493935387 is a prime.

It is not a weakly prime, because it can be changed into another prime (28493939443) 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, 14246969741 + 14246969742.

It is an arithmetic number, because the mean of its divisors is an integer number (14246969742).

Almost surely, 2^28493939483 is an apocalyptic number.

28493939483 is a deficient number, since it is larger than the sum of its proper divisors (1).

28493939483 is an equidigital number, since it uses as much as digits as its factorization.

28493939483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40310784, while the sum is 62.

Subtracting 28493939483 from its reverse (38493939482), we obtain a palindrome (9999999999).

The spelling of 28493939483 in words is "twenty-eight billion, four hundred ninety-three million, nine hundred thirty-nine thousand, four hundred eighty-three".