194791011 has 16 divisors (see below), whose sum is σ = 271503360. Its totient is φ = 124076160.

The previous prime is 194791001. The next prime is 194791013. The reversal of 194791011 is 110197491.

194791011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194791011 - 2¹¹ = 194788963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194791013) 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, 5910 + ... + 20603.

It is an arithmetic number, because the mean of its divisors is an integer number (16968960).

Almost surely, 2^194791011 is an apocalyptic number.

194791011 is a deficient number, since it is larger than the sum of its proper divisors (76712349).

194791011 is a wasteful number, since it uses less digits than its factorization.

194791011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26626.

The product of its (nonzero) digits is 2268, while the sum is 33.

The square root of 194791011 is about 13956.7550311668. The cubic root of 194791011 is about 579.6817625978.

The spelling of 194791011 in words is "one hundred ninety-four million, seven hundred ninety-one thousand, eleven".