2001740169 has 32 divisors (see below), whose sum is σ = 3139323264. Its totient is φ = 1118522880.

The previous prime is 2001740161. The next prime is 2001740197. The reversal of 2001740169 is 9610471002.

It is a happy number.

It is not a de Polignac number, because 2001740169 - 2³ = 2001740161 is a prime.

It is a super-2 number, since 2×2001740169² = 8013927408376297122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001740161) 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 in 31 ways as a sum of consecutive naturals, for example, 440899 + ... + 445415.

It is an arithmetic number, because the mean of its divisors is an integer number (98103852).

Almost surely, 2^2001740169 is an apocalyptic number.

It is an amenable number.

2001740169 is a deficient number, since it is larger than the sum of its proper divisors (1137583095).

2001740169 is a wasteful number, since it uses less digits than its factorization.

2001740169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2001740169 is about 44740.8110006960. The cubic root of 2001740169 is about 1260.2863565584.

The spelling of 2001740169 in words is "two billion, one million, seven hundred forty thousand, one hundred sixty-nine".