2021424403 has 8 divisors (see below), whose sum is σ = 2047323600. Its totient is φ = 1995640800.

The previous prime is 2021424263. The next prime is 2021424407. The reversal of 2021424403 is 3044241202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021424403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021424407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6576 + ... + 63922.

It is an arithmetic number, because the mean of its divisors is an integer number (255915450).

Almost surely, 2^2021424403 is an apocalyptic number.

2021424403 is a deficient number, since it is larger than the sum of its proper divisors (25899197).

2021424403 is a wasteful number, since it uses less digits than its factorization.

2021424403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57797.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2021424403 is about 44960.2535913667. The cubic root of 2021424403 is about 1264.4039233692.

Adding to 2021424403 its reverse (3044241202), we get a palindrome (5065665605).

The spelling of 2021424403 in words is "two billion, twenty-one million, four hundred twenty-four thousand, four hundred three".