28470387241 has 2 divisors, whose sum is σ = 28470387242. Its totient is φ = 28470387240.

The previous prime is 28470387233. The next prime is 28470387277. The reversal of 28470387241 is 14278307482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27271219600 + 1199167641 = 165140^2 + 34629^2 .

It is a cyclic number.

It is not a de Polignac number, because 28470387241 - 2³ = 28470387233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28470387191 and 28470387200.

It is not a weakly prime, because it can be changed into another prime (28470387221) 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, 14235193620 + 14235193621.

It is an arithmetic number, because the mean of its divisors is an integer number (14235193621).

Almost surely, 2^28470387241 is an apocalyptic number.

It is an amenable number.

28470387241 is a deficient number, since it is larger than the sum of its proper divisors (1).

28470387241 is an equidigital number, since it uses as much as digits as its factorization.

28470387241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 28470387241 in words is "twenty-eight billion, four hundred seventy million, three hundred eighty-seven thousand, two hundred forty-one".