2021038293 has 16 divisors (see below), whose sum is σ = 2735058560. Its totient is φ = 1327325184.

The previous prime is 2021038289. The next prime is 2021038301. The reversal of 2021038293 is 3928301202.

It is a happy number.

It is not a de Polignac number, because 2021038293 - 2² = 2021038289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021038293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021038093) 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 15 ways as a sum of consecutive naturals, for example, 42693 + ... + 76581.

It is an arithmetic number, because the mean of its divisors is an integer number (170941160).

Almost surely, 2^2021038293 is an apocalyptic number.

It is an amenable number.

2021038293 is a deficient number, since it is larger than the sum of its proper divisors (714020267).

2021038293 is a wasteful number, since it uses less digits than its factorization.

2021038293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34188.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2021038293 is about 44955.9594825870. The cubic root of 2021038293 is about 1264.3234141196.

Adding to 2021038293 its reverse (3928301202), we get a palindrome (5949339495).

The spelling of 2021038293 in words is "two billion, twenty-one million, thirty-eight thousand, two hundred ninety-three".