2194110361 has 4 divisors (see below), whose sum is σ = 2195172900. Its totient is φ = 2193047824.

The previous prime is 2194110337. The next prime is 2194110379. The reversal of 2194110361 is 1630114912.

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

It can be written as a sum of positive squares in 2 ways, for example, as 625950361 + 1568160000 = 25019^2 + 39600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2194110361 - 2¹¹ = 2194108313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2194110311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528166 + ... + 532303.

It is an arithmetic number, because the mean of its divisors is an integer number (548793225).

Almost surely, 2^2194110361 is an apocalyptic number.

It is an amenable number.

2194110361 is a deficient number, since it is larger than the sum of its proper divisors (1062539).

2194110361 is a wasteful number, since it uses less digits than its factorization.

2194110361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062538.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2194110361 is about 46841.3317594622. The cubic root of 2194110361 is about 1299.4298014186.

The spelling of 2194110361 in words is "two billion, one hundred ninety-four million, one hundred ten thousand, three hundred sixty-one".