2093890642 has 8 divisors (see below), whose sum is σ = 3141550332. Its totient is φ = 1046707200.

The previous prime is 2093890639. The next prime is 2093890679. The reversal of 2093890642 is 2460983902.

It can be written as a sum of positive squares in 2 ways, for example, as 2061069201 + 32821441 = 45399^2 + 5729^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 107859 + ... + 125782.

Almost surely, 2^2093890642 is an apocalyptic number.

2093890642 is a deficient number, since it is larger than the sum of its proper divisors (1047659690).

2093890642 is a wasteful number, since it uses less digits than its factorization.

2093890642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238124.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 2093890642 is about 45759.0498371634. The cubic root of 2093890642 is about 1279.3361307615.

The spelling of 2093890642 in words is "two billion, ninety-three million, eight hundred ninety thousand, six hundred forty-two".