28917483219 has 32 divisors (see below), whose sum is σ = 45110112000. Its totient is φ = 18257752512.

The previous prime is 28917483137. The next prime is 28917483239. The reversal of 28917483219 is 91238471982.

28917483219 is a `hidden beast` number, since 289 + 1 + 74 + 83 + 219 = 666.

It is not a de Polignac number, because 28917483219 - 2¹⁷ = 28917352147 is a prime.

It is a super-2 number, since 2×28917483219² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28917483239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2008404 + ... + 2022750.

It is an arithmetic number, because the mean of its divisors is an integer number (1409691000).

Almost surely, 2^28917483219 is an apocalyptic number.

28917483219 is a deficient number, since it is larger than the sum of its proper divisors (16192628781).

28917483219 is a wasteful number, since it uses less digits than its factorization.

28917483219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18304 (or 18298 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 28917483219 in words is "twenty-eight billion, nine hundred seventeen million, four hundred eighty-three thousand, two hundred nineteen".