28394144383 has 16 divisors (see below), whose sum is σ = 32050807200. Its totient is φ = 24917114880.

The previous prime is 28394144329. The next prime is 28394144393. The reversal of 28394144383 is 38344149382.

It is a cyclic number.

It is not a de Polignac number, because 28394144383 - 2⁹ = 28394143871 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 (28394144393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2075935 + ... + 2089567.

It is an arithmetic number, because the mean of its divisors is an integer number (2003175450).

Almost surely, 2^28394144383 is an apocalyptic number.

28394144383 is a deficient number, since it is larger than the sum of its proper divisors (3656662817).

28394144383 is a wasteful number, since it uses less digits than its factorization.

28394144383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20202.

The product of its digits is 1990656, while the sum is 49.

The spelling of 28394144383 in words is "twenty-eight billion, three hundred ninety-four million, one hundred forty-four thousand, three hundred eighty-three".