28634342833 has 2 divisors, whose sum is σ = 28634342834. Its totient is φ = 28634342832.

The previous prime is 28634342831. The next prime is 28634342861. The reversal of 28634342833 is 33824343682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24181183009 + 4453159824 = 155503^2 + 66732^2 .

It is a cyclic number.

It is not a de Polignac number, because 28634342833 - 2¹ = 28634342831 is a prime.

Together with 28634342831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28634342831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14317171416 + 14317171417.

It is an arithmetic number, because the mean of its divisors is an integer number (14317171417).

Almost surely, 2^28634342833 is an apocalyptic number.

It is an amenable number.

28634342833 is a deficient number, since it is larger than the sum of its proper divisors (1).

28634342833 is an equidigital number, since it uses as much as digits as its factorization.

28634342833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 46.

The spelling of 28634342833 in words is "twenty-eight billion, six hundred thirty-four million, three hundred forty-two thousand, eight hundred thirty-three".