2093687990 has 8 divisors (see below), whose sum is σ = 3768638400. Its totient is φ = 837475192.

The previous prime is 2093687977. The next prime is 2093687993. The reversal of 2093687990 is 997863902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2093687993) 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, 104684390 + ... + 104684409.

It is an arithmetic number, because the mean of its divisors is an integer number (471079800).

Almost surely, 2^2093687990 is an apocalyptic number.

2093687990 is a deficient number, since it is larger than the sum of its proper divisors (1674950410).

2093687990 is a wasteful number, since it uses less digits than its factorization.

2093687990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209368806.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 2093687990 is about 45756.8354456468. The cubic root of 2093687990 is about 1279.2948569743.

The spelling of 2093687990 in words is "two billion, ninety-three million, six hundred eighty-seven thousand, nine hundred ninety".