2123494594 has 16 divisors (see below), whose sum is σ = 3432901248. Its totient is φ = 979319952.

The previous prime is 2123494589. The next prime is 2123494601. The reversal of 2123494594 is 4954943212.

It is a self number, because there is not a number n which added to its sum of digits gives 2123494594.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3729 + ... + 65275.

It is an arithmetic number, because the mean of its divisors is an integer number (214556328).

Almost surely, 2^2123494594 is an apocalyptic number.

2123494594 is a deficient number, since it is larger than the sum of its proper divisors (1309406654).

2123494594 is a wasteful number, since it uses less digits than its factorization.

2123494594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62889.

The product of its digits is 311040, while the sum is 43.

The square root of 2123494594 is about 46081.3909729296. The cubic root of 2123494594 is about 1285.3371296696.

The spelling of 2123494594 in words is "two billion, one hundred twenty-three million, four hundred ninety-four thousand, five hundred ninety-four".