2011993093 has 16 divisors (see below), whose sum is σ = 2294415360. Its totient is φ = 1747652400.

The previous prime is 2011993063. The next prime is 2011993133. The reversal of 2011993093 is 3903991102.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011993093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011993013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10405 + ... + 64282.

It is an arithmetic number, because the mean of its divisors is an integer number (143400960).

Almost surely, 2^2011993093 is an apocalyptic number.

It is an amenable number.

2011993093 is a deficient number, since it is larger than the sum of its proper divisors (282422267).

2011993093 is a wasteful number, since it uses less digits than its factorization.

2011993093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74808.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 2011993093 is about 44855.2459919684. The cubic root of 2011993093 is about 1262.4344244344.

The spelling of 2011993093 in words is "two billion, eleven million, nine hundred ninety-three thousand, ninety-three".