2821890413 has 8 divisors (see below), whose sum is σ = 2920419840. Its totient is φ = 2723829840.

The previous prime is 2821890397. The next prime is 2821890419. The reversal of 2821890413 is 3140981282.

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 2821890413 - 2⁴ = 2821890397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821890419) 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, 104945 + ... + 129062.

It is an arithmetic number, because the mean of its divisors is an integer number (365052480).

Almost surely, 2^2821890413 is an apocalyptic number.

It is an amenable number.

2821890413 is a deficient number, since it is larger than the sum of its proper divisors (98529427).

2821890413 is a wasteful number, since it uses less digits than its factorization.

2821890413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234427.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 2821890413 is about 53121.4684755608. The cubic root of 2821890413 is about 1413.1232700672.

The spelling of 2821890413 in words is "two billion, eight hundred twenty-one million, eight hundred ninety thousand, four hundred thirteen".