28019184061 has 8 divisors (see below), whose sum is σ = 30575800800. Its totient is φ = 25464137040.

The previous prime is 28019183989. The next prime is 28019184071. The reversal of 28019184061 is 16048191082.

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 28019184061 - 2¹¹ = 28019182013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28019184071) 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, 354946 + ... + 426643.

It is an arithmetic number, because the mean of its divisors is an integer number (3821975100).

Almost surely, 2^28019184061 is an apocalyptic number.

It is an amenable number.

28019184061 is a deficient number, since it is larger than the sum of its proper divisors (2556616739).

28019184061 is a wasteful number, since it uses less digits than its factorization.

28019184061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784859.

The product of its (nonzero) digits is 27648, while the sum is 40.

The spelling of 28019184061 in words is "twenty-eight billion, nineteen million, one hundred eighty-four thousand, sixty-one".