2821409423 has 8 divisors (see below), whose sum is σ = 3228392448. Its totient is φ = 2415407544.

The previous prime is 2821409399. The next prime is 2821409429. The reversal of 2821409423 is 3249041282.

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

It is a cyclic number.

It is not a de Polignac number, because 2821409423 - 2⁸ = 2821409167 is a prime.

It is a super-2 number, since 2×2821409423² = 15920702264386385858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821409429) 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, 239111 + ... + 250632.

It is an arithmetic number, because the mean of its divisors is an integer number (403549056).

Almost surely, 2^2821409423 is an apocalyptic number.

2821409423 is a deficient number, since it is larger than the sum of its proper divisors (406983025).

2821409423 is an equidigital number, since it uses as much as digits as its factorization.

2821409423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490573.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2821409423 is about 53116.9410169675. The cubic root of 2821409423 is about 1413.0429767550.

The spelling of 2821409423 in words is "two billion, eight hundred twenty-one million, four hundred nine thousand, four hundred twenty-three".