28550494973 has 16 divisors (see below), whose sum is σ = 38333533056. Its totient is φ = 20535819840.

The previous prime is 28550494939. The next prime is 28550494981. The reversal of 28550494973 is 37949405582.

It is a cyclic number.

It is not a de Polignac number, because 28550494973 - 2¹² = 28550490877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28550494373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14259986 + ... + 14261987.

It is an arithmetic number, because the mean of its divisors is an integer number (2395845816).

Almost surely, 2^28550494973 is an apocalyptic number.

It is an amenable number.

28550494973 is a deficient number, since it is larger than the sum of its proper divisors (9783038083).

28550494973 is a wasteful number, since it uses less digits than its factorization.

28550494973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28522004.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 28550494973 in words is "twenty-eight billion, five hundred fifty million, four hundred ninety-four thousand, nine hundred seventy-three".