8168562049 has 2 divisors, whose sum is σ = 8168562050. Its totient is φ = 8168562048.

The previous prime is 8168561953. The next prime is 8168562119. The reversal of 8168562049 is 9402658618.

8168562049 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7414071025 + 754491024 = 86105^2 + 27468^2 .

It is a cyclic number.

It is not a de Polignac number, because 8168562049 - 2¹³ = 8168553857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8168561993 and 8168562011.

It is not a weakly prime, because it can be changed into another prime (8168565049) 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, 4084281024 + 4084281025.

It is an arithmetic number, because the mean of its divisors is an integer number (4084281025).

Almost surely, 2^8168562049 is an apocalyptic number.

It is an amenable number.

8168562049 is a deficient number, since it is larger than the sum of its proper divisors (1).

8168562049 is an equidigital number, since it uses as much as digits as its factorization.

8168562049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 8168562049 is about 90380.0976376990. The cubic root of 8168562049 is about 2013.9493194676.

The spelling of 8168562049 in words is "eight billion, one hundred sixty-eight million, five hundred sixty-two thousand, forty-nine".