28554447043 has 2 divisors, whose sum is σ = 28554447044. Its totient is φ = 28554447042.

The previous prime is 28554447041. The next prime is 28554447049. The reversal of 28554447043 is 34074445582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28554447043 - 2¹ = 28554447041 is a prime.

Together with 28554447041, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 28554446984 and 28554447002.

It is not a weakly prime, because it can be changed into another prime (28554447041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14277223521 + 14277223522.

It is an arithmetic number, because the mean of its divisors is an integer number (14277223522).

Almost surely, 2^28554447043 is an apocalyptic number.

28554447043 is a deficient number, since it is larger than the sum of its proper divisors (1).

28554447043 is an equidigital number, since it uses as much as digits as its factorization.

28554447043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 46.

The spelling of 28554447043 in words is "twenty-eight billion, five hundred fifty-four million, four hundred forty-seven thousand, forty-three".