28341443353 has 4 divisors (see below), whose sum is σ = 28374514740. Its totient is φ = 28308371968.

The previous prime is 28341443327. The next prime is 28341443371. The reversal of 28341443353 is 35334414382.

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 18081374089 + 10260069264 = 134467^2 + 101292^2 .

It is a cyclic number.

It is not a de Polignac number, because 28341443353 - 2⁹ = 28341442841 is a prime.

It is a super-2 number, since 2×28341443353² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28341443453) 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, 16534408 + ... + 16536121.

It is an arithmetic number, because the mean of its divisors is an integer number (7093628685).

Almost surely, 2^28341443353 is an apocalyptic number.

It is an amenable number.

28341443353 is a deficient number, since it is larger than the sum of its proper divisors (33071387).

28341443353 is an equidigital number, since it uses as much as digits as its factorization.

28341443353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33071386.

The product of its digits is 414720, while the sum is 40.

The spelling of 28341443353 in words is "twenty-eight billion, three hundred forty-one million, four hundred forty-three thousand, three hundred fifty-three".