28389683593 has 8 divisors (see below), whose sum is σ = 28653229440. Its totient is φ = 28127344560.

The previous prime is 28389683591. The next prime is 28389683611. The reversal of 28389683593 is 39538698382.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28389683593 - 2¹ = 28389683591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28389683591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254403 + ... + 348568.

It is an arithmetic number, because the mean of its divisors is an integer number (3581653680).

Almost surely, 2^28389683593 is an apocalyptic number.

It is an amenable number.

28389683593 is a deficient number, since it is larger than the sum of its proper divisors (263545847).

28389683593 is a wasteful number, since it uses less digits than its factorization.

28389683593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603407.

The product of its digits is 67184640, while the sum is 64.

The spelling of 28389683593 in words is "twenty-eight billion, three hundred eighty-nine million, six hundred eighty-three thousand, five hundred ninety-three".