27716318249 has 2 divisors, whose sum is σ = 27716318250. Its totient is φ = 27716318248.

The previous prime is 27716318239. The next prime is 27716318261. The reversal of 27716318249 is 94281361772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26218086400 + 1498231849 = 161920^2 + 38707^2 .

It is a cyclic number.

It is not a de Polignac number, because 27716318249 - 2¹⁶ = 27716252713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27716318197 and 27716318206.

It is not a weakly prime, because it can be changed into another prime (27716318239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13858159124 + 13858159125.

It is an arithmetic number, because the mean of its divisors is an integer number (13858159125).

Almost surely, 2^27716318249 is an apocalyptic number.

It is an amenable number.

27716318249 is a deficient number, since it is larger than the sum of its proper divisors (1).

27716318249 is an equidigital number, since it uses as much as digits as its factorization.

27716318249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The spelling of 27716318249 in words is "twenty-seven billion, seven hundred sixteen million, three hundred eighteen thousand, two hundred forty-nine".