2011993094 has 4 divisors (see below), whose sum is σ = 3017989644. Its totient is φ = 1005996546.

The previous prime is 2011993063. The next prime is 2011993133. The reversal of 2011993094 is 4903991102.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502998272 + ... + 502998275.

It is an arithmetic number, because the mean of its divisors is an integer number (754497411).

Almost surely, 2^2011993094 is an apocalyptic number.

2011993094 is a deficient number, since it is larger than the sum of its proper divisors (1005996550).

2011993094 is a wasteful number, since it uses less digits than its factorization.

2011993094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005996549.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 2011993094 is about 44855.2460031154. The cubic root of 2011993094 is about 1262.4344246436.

The spelling of 2011993094 in words is "two billion, eleven million, nine hundred ninety-three thousand, ninety-four".