28341641773 has 2 divisors, whose sum is σ = 28341641774. Its totient is φ = 28341641772.

The previous prime is 28341641771. The next prime is 28341641777. The reversal of 28341641773 is 37714614382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26424778249 + 1916863524 = 162557^2 + 43782^2 .

It is a cyclic number.

It is not a de Polignac number, because 28341641773 - 2¹ = 28341641771 is a prime.

Together with 28341641771, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28341641771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14170820886 + 14170820887.

It is an arithmetic number, because the mean of its divisors is an integer number (14170820887).

Almost surely, 2^28341641773 is an apocalyptic number.

It is an amenable number.

28341641773 is a deficient number, since it is larger than the sum of its proper divisors (1).

28341641773 is an equidigital number, since it uses as much as digits as its factorization.

28341641773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The spelling of 28341641773 in words is "twenty-eight billion, three hundred forty-one million, six hundred forty-one thousand, seven hundred seventy-three".