2021084594 has 8 divisors (see below), whose sum is σ = 3032145900. Its totient is φ = 1010369296.

The previous prime is 2021084579. The next prime is 2021084599. The reversal of 2021084594 is 4954801202.

It can be written as a sum of positive squares in 2 ways, for example, as 1919578969 + 101505625 = 43813^2 + 10075^2 .

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

It is a super-2 number, since 2×2021084594² = 8169565872208289672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021084599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71369 + ... + 95580.

Almost surely, 2^2021084594 is an apocalyptic number.

2021084594 is a deficient number, since it is larger than the sum of its proper divisors (1011061306).

2021084594 is a wasteful number, since it uses less digits than its factorization.

2021084594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173004.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2021084594 is about 44956.4744391728. The cubic root of 2021084594 is about 1264.3330690564. Note that the first 3 decimals are identical.

Adding to 2021084594 its reverse (4954801202), we get a palindrome (6975885796).

The spelling of 2021084594 in words is "two billion, twenty-one million, eighty-four thousand, five hundred ninety-four".