28341631249 has 2 divisors, whose sum is σ = 28341631250. Its totient is φ = 28341631248.

The previous prime is 28341631247. The next prime is 28341631261. The reversal of 28341631249 is 94213614382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25429086225 + 2912545024 = 159465^2 + 53968^2 .

It is a cyclic number.

It is not a de Polignac number, because 28341631249 - 2¹ = 28341631247 is a prime.

Together with 28341631247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (28341631247) 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, 14170815624 + 14170815625.

It is an arithmetic number, because the mean of its divisors is an integer number (14170815625).

Almost surely, 2^28341631249 is an apocalyptic number.

It is an amenable number.

28341631249 is a deficient number, since it is larger than the sum of its proper divisors (1).

28341631249 is an equidigital number, since it uses as much as digits as its factorization.

28341631249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 43.

The spelling of 28341631249 in words is "twenty-eight billion, three hundred forty-one million, six hundred thirty-one thousand, two hundred forty-nine".