28634448593 has 12 divisors (see below), whose sum is σ = 30446226432. Its totient is φ = 26924980800.

The previous prime is 28634448571. The next prime is 28634448613. The reversal of 28634448593 is 39584443682.

It is not a de Polignac number, because 28634448593 - 2¹⁴ = 28634432209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28634448523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268568 + ... + 359718.

It is an arithmetic number, because the mean of its divisors is an integer number (2537185536).

Almost surely, 2^28634448593 is an apocalyptic number.

It is an amenable number.

28634448593 is a deficient number, since it is larger than the sum of its proper divisors (1811777839).

28634448593 is a wasteful number, since it uses less digits than its factorization.

28634448593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92272 (or 92255 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 56.

The spelling of 28634448593 in words is "twenty-eight billion, six hundred thirty-four million, four hundred forty-eight thousand, five hundred ninety-three".