1368087169 has 2 divisors, whose sum is σ = 1368087170. Its totient is φ = 1368087168.

The previous prime is 1368087163. The next prime is 1368087181. The reversal of 1368087169 is 9617808631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1083726400 + 284360769 = 32920^2 + 16863^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368087169 - 2⁷ = 1368087041 is a prime.

It is a super-2 number, since 2×1368087169² = 3743325003964869122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1368087163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684043584 + 684043585.

It is an arithmetic number, because the mean of its divisors is an integer number (684043585).

Almost surely, 2^1368087169 is an apocalyptic number.

It is an amenable number.

1368087169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368087169 is an equidigital number, since it uses as much as digits as its factorization.

1368087169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 1368087169 is about 36987.6623889642. The cubic root of 1368087169 is about 1110.1233986125.

The spelling of 1368087169 in words is "one billion, three hundred sixty-eight million, eighty-seven thousand, one hundred sixty-nine".