2021041936 has 15 divisors (see below), whose sum is σ = 3916117191. Its totient is φ = 1010431056.

The previous prime is 2021041907. The next prime is 2021041961. The reversal of 2021041936 is 6391401202.

The square root of 2021041936 is 44956.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2021041936² = 8169221014141256192, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 174205 + ... + 185443.

Almost surely, 2^2021041936 is an apocalyptic number.

2021041936 is the 44956-th square number.

It is an amenable number.

2021041936 is a deficient number, since it is larger than the sum of its proper divisors (1895075255).

2021041936 is an frugal number, since it uses more digits than its factorization.

2021041936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22486 (or 11241 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The cubic root of 2021041936 is about 1264.3241737831.

The spelling of 2021041936 in words is "two billion, twenty-one million, forty-one thousand, nine hundred thirty-six".