28453544353 has 4 divisors (see below), whose sum is σ = 30642278548. Its totient is φ = 26264810160.

The previous prime is 28453544341. The next prime is 28453544407. The reversal of 28453544353 is 35344535482.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6999497569 + 21454046784 = 83663^2 + 146472^2 .

It is a cyclic number.

It is not a de Polignac number, because 28453544353 - 2²⁹ = 27916673441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28453544333) 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, 1094367078 + ... + 1094367103.

It is an arithmetic number, because the mean of its divisors is an integer number (7660569637).

Almost surely, 2^28453544353 is an apocalyptic number.

It is an amenable number.

28453544353 is a deficient number, since it is larger than the sum of its proper divisors (2188734195).

28453544353 is a wasteful number, since it uses less digits than its factorization.

28453544353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188734194.

The product of its digits is 3456000, while the sum is 46.

The spelling of 28453544353 in words is "twenty-eight billion, four hundred fifty-three million, five hundred forty-four thousand, three hundred fifty-three".