2193074989 has 32 divisors (see below), whose sum is σ = 2639323136. Its totient is φ = 1783192320.

The previous prime is 2193074941. The next prime is 2193074993. The reversal of 2193074989 is 9894703912.

It is a happy number.

It is not a de Polignac number, because 2193074989 - 2²³ = 2184686381 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 (2193074999) 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 31 ways as a sum of consecutive naturals, for example, 2005927 + ... + 2007019.

It is an arithmetic number, because the mean of its divisors is an integer number (82478848).

Almost surely, 2^2193074989 is an apocalyptic number.

It is an amenable number.

2193074989 is a deficient number, since it is larger than the sum of its proper divisors (446248147).

2193074989 is a wasteful number, since it uses less digits than its factorization.

2193074989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 2193074989 is about 46830.2785492463. The cubic root of 2193074989 is about 1299.2253746137.

The spelling of 2193074989 in words is "two billion, one hundred ninety-three million, seventy-four thousand, nine hundred eighty-nine".