28893346243 has 2 divisors, whose sum is σ = 28893346244. Its totient is φ = 28893346242.

The previous prime is 28893346241. The next prime is 28893346291. The reversal of 28893346243 is 34264339882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28893346243 - 2¹ = 28893346241 is a prime.

Together with 28893346241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28893346241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14446673121 + 14446673122.

It is an arithmetic number, because the mean of its divisors is an integer number (14446673122).

Almost surely, 2^28893346243 is an apocalyptic number.

28893346243 is a deficient number, since it is larger than the sum of its proper divisors (1).

28893346243 is an equidigital number, since it uses as much as digits as its factorization.

28893346243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968, while the sum is 52.

The spelling of 28893346243 in words is "twenty-eight billion, eight hundred ninety-three million, three hundred forty-six thousand, two hundred forty-three".