28393639293000 has 64 divisors (see below), whose sum is σ = 88588154603520. Its totient is φ = 7571637144000.

The previous prime is 28393639292957. The next prime is 28393639293029. The reversal of 28393639293000 is 39293639382.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4732270216 + ... + 4732276215.

It is an arithmetic number, because the mean of its divisors is an integer number (1384189915680).

Almost surely, 2^{28393639293000} is an apocalyptic number.

28393639293000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28393639293000 is an abundant number, since it is smaller than the sum of its proper divisors (60194515310520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28393639293000 is a wasteful number, since it uses less digits than its factorization.

28393639293000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9464546455 (or 9464546441 counting only the distinct ones).

The product of its (nonzero) digits is 11337408, while the sum is 57.

The spelling of 28393639293000 in words is "twenty-eight trillion, three hundred ninety-three billion, six hundred thirty-nine million, two hundred ninety-three thousand".