28963184345 has 4 divisors (see below), whose sum is σ = 34755821220. Its totient is φ = 23170547472.

The previous prime is 28963184329. The next prime is 28963184351. The reversal of 28963184345 is 54348136982.

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 8132612761 + 20830571584 = 90181^2 + 144328^2 .

It is a cyclic number.

It is not a de Polignac number, because 28963184345 - 2⁴ = 28963184329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2896318430 + ... + 2896318439.

It is an arithmetic number, because the mean of its divisors is an integer number (8688955305).

Almost surely, 2^28963184345 is an apocalyptic number.

It is an amenable number.

28963184345 is a deficient number, since it is larger than the sum of its proper divisors (5792636875).

28963184345 is an equidigital number, since it uses as much as digits as its factorization.

28963184345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5792636874.

The product of its digits is 4976640, while the sum is 53.

The spelling of 28963184345 in words is "twenty-eight billion, nine hundred sixty-three million, one hundred eighty-four thousand, three hundred forty-five".