28043184373 has 2 divisors, whose sum is σ = 28043184374. Its totient is φ = 28043184372.

The previous prime is 28043184361. The next prime is 28043184431. The reversal of 28043184373 is 37348134082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28016733924 + 26450449 = 167382^2 + 5143^2 .

It is a cyclic number.

It is not a de Polignac number, because 28043184373 - 2⁵ = 28043184341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28043184473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14021592186 + 14021592187.

It is an arithmetic number, because the mean of its divisors is an integer number (14021592187).

Almost surely, 2^28043184373 is an apocalyptic number.

It is an amenable number.

28043184373 is a deficient number, since it is larger than the sum of its proper divisors (1).

28043184373 is an equidigital number, since it uses as much as digits as its factorization.

28043184373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 28043184373 in words is "twenty-eight billion, forty-three million, one hundred eighty-four thousand, three hundred seventy-three".