28291839273 has 8 divisors (see below), whose sum is σ = 41913836000. Its totient is φ = 18861226164.

The previous prime is 28291839221. The next prime is 28291839281. The reversal of 28291839273 is 37293819282.

28291839273 is a `hidden beast` number, since 2 + 8 + 291 + 83 + 9 + 273 = 666.

It is not a de Polignac number, because 28291839273 - 2¹³ = 28291831081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28291339273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523922923 + ... + 523922976.

It is an arithmetic number, because the mean of its divisors is an integer number (5239229500).

Almost surely, 2^28291839273 is an apocalyptic number.

It is an amenable number.

28291839273 is a deficient number, since it is larger than the sum of its proper divisors (13621996727).

28291839273 is a wasteful number, since it uses less digits than its factorization.

28291839273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047845908 (or 1047845902 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 28291839273 in words is "twenty-eight billion, two hundred ninety-one million, eight hundred thirty-nine thousand, two hundred seventy-three".