28639563419732 has 12 divisors (see below), whose sum is σ = 50968714560960. Its totient is φ = 14077073545176.

The previous prime is 28639563419713. The next prime is 28639563419743. The reversal of 28639563419732 is 23791436593682.

It is a congruent 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, 60677040908 + ... + 60677041379.

It is an arithmetic number, because the mean of its divisors is an integer number (4247392880080).

Almost surely, 2^{28639563419732} is an apocalyptic number.

It is an amenable number.

28639563419732 is a deficient number, since it is larger than the sum of its proper divisors (22329151141228).

28639563419732 is a wasteful number, since it uses less digits than its factorization.

28639563419732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121354082350 (or 121354082348 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 68.

The spelling of 28639563419732 in words is "twenty-eight trillion, six hundred thirty-nine billion, five hundred sixty-three million, four hundred nineteen thousand, seven hundred thirty-two".