28243296371 has 2 divisors, whose sum is σ = 28243296372. Its totient is φ = 28243296370.

The previous prime is 28243296349. The next prime is 28243296451. The reversal of 28243296371 is 17369234282.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28243296371 is a prime.

It is not a weakly prime, because it can be changed into another prime (28243296311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14121648185 + 14121648186.

It is an arithmetic number, because the mean of its divisors is an integer number (14121648186).

Almost surely, 2^28243296371 is an apocalyptic number.

28243296371 is a deficient number, since it is larger than the sum of its proper divisors (1).

28243296371 is an equidigital number, since it uses as much as digits as its factorization.

28243296371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The spelling of 28243296371 in words is "twenty-eight billion, two hundred forty-three million, two hundred ninety-six thousand, three hundred seventy-one".