2821364421 has 8 divisors (see below), whose sum is σ = 3983102784. Its totient is φ = 1770267840.

The previous prime is 2821364389. The next prime is 2821364449. The reversal of 2821364421 is 1244631282.

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

It is not a de Polignac number, because 2821364421 - 2⁵ = 2821364389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821368421) 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, 27660385 + ... + 27660486.

It is an arithmetic number, because the mean of its divisors is an integer number (497887848).

Almost surely, 2^2821364421 is an apocalyptic number.

It is an amenable number.

2821364421 is a deficient number, since it is larger than the sum of its proper divisors (1161738363).

2821364421 is a wasteful number, since it uses less digits than its factorization.

2821364421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55320891.

The product of its digits is 18432, while the sum is 33.

The square root of 2821364421 is about 53116.5174027816. The cubic root of 2821364421 is about 1413.0354639498.

The spelling of 2821364421 in words is "two billion, eight hundred twenty-one million, three hundred sixty-four thousand, four hundred twenty-one".