28293942841 has 2 divisors, whose sum is σ = 28293942842. Its totient is φ = 28293942840.

The previous prime is 28293942839. The next prime is 28293942851. The reversal of 28293942841 is 14824939282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28292585616 + 1357225 = 168204^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 28293942841 - 2¹ = 28293942839 is a prime.

Together with 28293942839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28293942851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14146971420 + 14146971421.

It is an arithmetic number, because the mean of its divisors is an integer number (14146971421).

Almost surely, 2^28293942841 is an apocalyptic number.

It is an amenable number.

28293942841 is a deficient number, since it is larger than the sum of its proper divisors (1).

28293942841 is an equidigital number, since it uses as much as digits as its factorization.

28293942841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 52.

The spelling of 28293942841 in words is "twenty-eight billion, two hundred ninety-three million, nine hundred forty-two thousand, eight hundred forty-one".