2011344173 has 2 divisors, whose sum is σ = 2011344174. Its totient is φ = 2011344172.

The previous prime is 2011344157. The next prime is 2011344211. The reversal of 2011344173 is 3714431102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1724990089 + 286354084 = 41533^2 + 16922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011344173 - 2⁴ = 2011344157 is a prime.

It is a super-2 number, since 2×2011344173² = 8091010764522107858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011341173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005672086 + 1005672087.

It is an arithmetic number, because the mean of its divisors is an integer number (1005672087).

Almost surely, 2^2011344173 is an apocalyptic number.

It is an amenable number.

2011344173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011344173 is an equidigital number, since it uses as much as digits as its factorization.

2011344173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 2011344173 is about 44848.0119180327. The cubic root of 2011344173 is about 1262.2986872163.

Adding to 2011344173 its reverse (3714431102), we get a palindrome (5725775275).

The spelling of 2011344173 in words is "two billion, eleven million, three hundred forty-four thousand, one hundred seventy-three".