28526162653 has 4 divisors (see below), whose sum is σ = 29297140060. Its totient is φ = 27755185248.

The previous prime is 28526162641. The next prime is 28526162683. The reversal of 28526162653 is 35626162582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35626162582 = 2 ⋅17813081291.

It can be written as a sum of positive squares in 2 ways, for example, as 16537445604 + 11988717049 = 128598^2 + 109493^2 .

It is a cyclic number.

It is not a de Polignac number, because 28526162653 - 2¹⁷ = 28526031581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28526162603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385488648 + ... + 385488721.

It is an arithmetic number, because the mean of its divisors is an integer number (7324285015).

Almost surely, 2^28526162653 is an apocalyptic number.

It is an amenable number.

28526162653 is a deficient number, since it is larger than the sum of its proper divisors (770977407).

28526162653 is an equidigital number, since it uses as much as digits as its factorization.

28526162653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770977406.

The product of its digits is 1036800, while the sum is 46.

The spelling of 28526162653 in words is "twenty-eight billion, five hundred twenty-six million, one hundred sixty-two thousand, six hundred fifty-three".