28497601219 has 8 divisors (see below), whose sum is σ = 28848914640. Its totient is φ = 28146477696.

The previous prime is 28497601189. The next prime is 28497601277. The reversal of 28497601219 is 91210679482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28497601219 - 2⁹ = 28497600707 is a prime.

It is a super-2 number, since 2×28497601219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28497601919) 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, 267279 + ... + 358375.

It is an arithmetic number, because the mean of its divisors is an integer number (3606114330).

Almost surely, 2^28497601219 is an apocalyptic number.

28497601219 is a deficient number, since it is larger than the sum of its proper divisors (351313421).

28497601219 is an equidigital number, since it uses as much as digits as its factorization.

28497601219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94949.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 28497601219 in words is "twenty-eight billion, four hundred ninety-seven million, six hundred one thousand, two hundred nineteen".