2001010169 has 2 divisors, whose sum is σ = 2001010170. Its totient is φ = 2001010168.

The previous prime is 2001010159. The next prime is 2001010247. The reversal of 2001010169 is 9610101002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1873591225 + 127418944 = 43285^2 + 11288^2 .

It is a cyclic number.

It is not a de Polignac number, because 2001010169 - 2⁴ = 2001010153 is a prime.

It is a super-2 number, since 2×2001010169² = 8008083392882817122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2001010169.

It is not a weakly prime, because it can be changed into another prime (2001010129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000505084 + 1000505085.

It is an arithmetic number, because the mean of its divisors is an integer number (1000505085).

Almost surely, 2^2001010169 is an apocalyptic number.

It is an amenable number.

2001010169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001010169 is an equidigital number, since it uses as much as digits as its factorization.

2001010169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2001010169 is about 44732.6521570094. The cubic root of 2001010169 is about 1260.1331363895.

The spelling of 2001010169 in words is "two billion, one million, ten thousand, one hundred sixty-nine".