2021676194 has 8 divisors (see below), whose sum is σ = 3035292060. Its totient is φ = 1009912176.

The previous prime is 2021676161. The next prime is 2021676197. The reversal of 2021676194 is 4916761202.

It can be written as a sum of positive squares in 2 ways, for example, as 1654455625 + 367220569 = 40675^2 + 19163^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021676197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460229 + ... + 464600.

Almost surely, 2^2021676194 is an apocalyptic number.

2021676194 is a deficient number, since it is larger than the sum of its proper divisors (1013615866).

2021676194 is a wasteful number, since it uses less digits than its factorization.

2021676194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925924.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2021676194 is about 44963.0536551956. The cubic root of 2021676194 is about 1264.4564197360.

The spelling of 2021676194 in words is "two billion, twenty-one million, six hundred seventy-six thousand, one hundred ninety-four".