2011000073 has 4 divisors (see below), whose sum is σ = 2045084880. Its totient is φ = 1976915268.

The previous prime is 2011000007. The next prime is 2011000081. The reversal of 2011000073 is 3700001102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2011000073 - 2¹⁶ = 2010934537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011000003) 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 in 3 ways as a sum of consecutive naturals, for example, 17042315 + ... + 17042432.

It is an arithmetic number, because the mean of its divisors is an integer number (511271220).

Almost surely, 2^2011000073 is an apocalyptic number.

It is an amenable number.

2011000073 is a deficient number, since it is larger than the sum of its proper divisors (34084807).

2011000073 is an equidigital number, since it uses as much as digits as its factorization.

2011000073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34084806.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 2011000073 is about 44844.1754634869. The cubic root of 2011000073 is about 1262.2266985837.

Adding to 2011000073 its reverse (3700001102), we get a palindrome (5711001175).

The spelling of 2011000073 in words is "two billion, eleven million, seventy-three", and thus it is an aban number and an uban number.