28556245943 has 2 divisors, whose sum is σ = 28556245944. Its totient is φ = 28556245942.

The previous prime is 28556245867. The next prime is 28556245957. The reversal of 28556245943 is 34954265582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28556245943 - 2¹⁰ = 28556244919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28556245043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14278122971 + 14278122972.

It is an arithmetic number, because the mean of its divisors is an integer number (14278122972).

Almost surely, 2^28556245943 is an apocalyptic number.

28556245943 is a deficient number, since it is larger than the sum of its proper divisors (1).

28556245943 is an equidigital number, since it uses as much as digits as its factorization.

28556245943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368000, while the sum is 53.

The spelling of 28556245943 in words is "twenty-eight billion, five hundred fifty-six million, two hundred forty-five thousand, nine hundred forty-three".