28326873241 has 2 divisors, whose sum is σ = 28326873242. Its totient is φ = 28326873240.

The previous prime is 28326873229. The next prime is 28326873283. The reversal of 28326873241 is 14237862382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20333619216 + 7993254025 = 142596^2 + 89405^2 .

It is a cyclic number.

It is not a de Polignac number, because 28326873241 - 2⁹ = 28326872729 is a prime.

It is a super-2 number, since 2×28326873241² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28326873191 and 28326873200.

It is not a weakly prime, because it can be changed into another prime (28326873541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14163436620 + 14163436621.

It is an arithmetic number, because the mean of its divisors is an integer number (14163436621).

Almost surely, 2^28326873241 is an apocalyptic number.

It is an amenable number.

28326873241 is a deficient number, since it is larger than the sum of its proper divisors (1).

28326873241 is an equidigital number, since it uses as much as digits as its factorization.

28326873241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 46.

The spelling of 28326873241 in words is "twenty-eight billion, three hundred twenty-six million, eight hundred seventy-three thousand, two hundred forty-one".