2061009194 has 16 divisors (see below), whose sum is σ = 3132647232. Its totient is φ = 1016864928.

The previous prime is 2061009193. The next prime is 2061009199. The reversal of 2061009194 is 4919001602.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2061009194.

It is not an unprimeable number, because it can be changed into a prime (2061009193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40622 + ... + 75974.

It is an arithmetic number, because the mean of its divisors is an integer number (195790452).

Almost surely, 2^2061009194 is an apocalyptic number.

2061009194 is a deficient number, since it is larger than the sum of its proper divisors (1071638038).

2061009194 is a wasteful number, since it uses less digits than its factorization.

2061009194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35741.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 2061009194 is about 45398.3391105886. The cubic root of 2061009194 is about 1272.6040754614.

The spelling of 2061009194 in words is "two billion, sixty-one million, nine thousand, one hundred ninety-four".