28603343321 has 8 divisors (see below), whose sum is σ = 33573036480. Its totient is φ = 23854525488.

The previous prime is 28603343291. The next prime is 28603343347. The reversal of 28603343321 is 12334330682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28603343321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28603343621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55218551 + ... + 55219068.

It is an arithmetic number, because the mean of its divisors is an integer number (4196629560).

Almost surely, 2^28603343321 is an apocalyptic number.

It is an amenable number.

28603343321 is a deficient number, since it is larger than the sum of its proper divisors (4969693159).

28603343321 is a wasteful number, since it uses less digits than its factorization.

28603343321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110437663.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 28603343321 in words is "twenty-eight billion, six hundred three million, three hundred forty-three thousand, three hundred twenty-one".