2168001769 has 2 divisors, whose sum is σ = 2168001770. Its totient is φ = 2168001768.

The previous prime is 2168001767. The next prime is 2168001779. The reversal of 2168001769 is 9671008612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1246090000 + 921911769 = 35300^2 + 30363^2 .

It is a cyclic number.

It is not a de Polignac number, because 2168001769 - 2¹ = 2168001767 is a prime.

It is a super-2 number, since 2×2168001769² = 9400463340774258722, which contains 22 as substring.

Together with 2168001767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2168001761) 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, 1084000884 + 1084000885.

It is an arithmetic number, because the mean of its divisors is an integer number (1084000885).

Almost surely, 2^2168001769 is an apocalyptic number.

It is an amenable number.

2168001769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168001769 is an equidigital number, since it uses as much as digits as its factorization.

2168001769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 2168001769 is about 46561.8059035515. The cubic root of 2168001769 is about 1294.2550774118.

The spelling of 2168001769 in words is "two billion, one hundred sixty-eight million, one thousand, seven hundred sixty-nine".