28269487333 has 2 divisors, whose sum is σ = 28269487334. Its totient is φ = 28269487332.

The previous prime is 28269487319. The next prime is 28269487369. The reversal of 28269487333 is 33378496282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27881318529 + 388168804 = 166977^2 + 19702^2 .

It is a cyclic number.

It is not a de Polignac number, because 28269487333 - 2²⁹ = 27732616421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28269487133) 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, 14134743666 + 14134743667.

It is an arithmetic number, because the mean of its divisors is an integer number (14134743667).

Almost surely, 2^28269487333 is an apocalyptic number.

It is an amenable number.

28269487333 is a deficient number, since it is larger than the sum of its proper divisors (1).

28269487333 is an equidigital number, since it uses as much as digits as its factorization.

28269487333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 55.

The spelling of 28269487333 in words is "twenty-eight billion, two hundred sixty-nine million, four hundred eighty-seven thousand, three hundred thirty-three".