2021269893 has 32 divisors (see below), whose sum is σ = 2887353216. Its totient is φ = 1253326848.

The previous prime is 2021269891. The next prime is 2021269903. The reversal of 2021269893 is 3989621202.

It is not a de Polignac number, because 2021269893 - 2¹ = 2021269891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021269891) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1702246 + ... + 1703432.

It is an arithmetic number, because the mean of its divisors is an integer number (90229788).

Almost surely, 2^2021269893 is an apocalyptic number.

It is an amenable number.

2021269893 is a deficient number, since it is larger than the sum of its proper divisors (866083323).

2021269893 is a wasteful number, since it uses less digits than its factorization.

2021269893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2021269893 is about 44958.5352630621. The cubic root of 2021269893 is about 1264.3717071380.

The spelling of 2021269893 in words is "two billion, twenty-one million, two hundred sixty-nine thousand, eight hundred ninety-three".