28849844423 has 2 divisors, whose sum is σ = 28849844424. Its totient is φ = 28849844422.

The previous prime is 28849844393. The next prime is 28849844437. The reversal of 28849844423 is 32444894882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28849844423 - 2¹⁴ = 28849828039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28849844483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14424922211 + 14424922212.

It is an arithmetic number, because the mean of its divisors is an integer number (14424922212).

Almost surely, 2^28849844423 is an apocalyptic number.

28849844423 is a deficient number, since it is larger than the sum of its proper divisors (1).

28849844423 is an equidigital number, since it uses as much as digits as its factorization.

28849844423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14155776, while the sum is 56.

The spelling of 28849844423 in words is "twenty-eight billion, eight hundred forty-nine million, eight hundred forty-four thousand, four hundred twenty-three".