28164484573 has 2 divisors, whose sum is σ = 28164484574. Its totient is φ = 28164484572.

The previous prime is 28164484553. The next prime is 28164484631. The reversal of 28164484573 is 37548446182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22800094009 + 5364390564 = 150997^2 + 73242^2 .

It is a cyclic number.

It is not a de Polignac number, because 28164484573 - 2²⁵ = 28130930141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28164484573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28164484553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14082242286 + 14082242287.

It is an arithmetic number, because the mean of its divisors is an integer number (14082242287).

Almost surely, 2^28164484573 is an apocalyptic number.

It is an amenable number.

28164484573 is a deficient number, since it is larger than the sum of its proper divisors (1).

28164484573 is an equidigital number, since it uses as much as digits as its factorization.

28164484573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 52.

The spelling of 28164484573 in words is "twenty-eight billion, one hundred sixty-four million, four hundred eighty-four thousand, five hundred seventy-three".