28482768991 has 2 divisors, whose sum is σ = 28482768992. Its totient is φ = 28482768990.

The previous prime is 28482768989. The next prime is 28482769009. The reversal of 28482768991 is 19986728482.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28482768991 - 2¹ = 28482768989 is a prime.

It is a super-2 number, since 2×28482768991² (a number of 22 digits) contains 22 as substring.

Together with 28482768989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28482768901) 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, 14241384495 + 14241384496.

It is an arithmetic number, because the mean of its divisors is an integer number (14241384496).

Almost surely, 2^28482768991 is an apocalyptic number.

28482768991 is a deficient number, since it is larger than the sum of its proper divisors (1).

28482768991 is an equidigital number, since it uses as much as digits as its factorization.

28482768991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27869184, while the sum is 64.

The spelling of 28482768991 in words is "twenty-eight billion, four hundred eighty-two million, seven hundred sixty-eight thousand, nine hundred ninety-one".