2821341509 has 16 divisors (see below), whose sum is σ = 3238992000. Its totient is φ = 2407371840.

The previous prime is 2821341461. The next prime is 2821341511. The reversal of 2821341509 is 9051431282.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2821341509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2823341509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1888967 + ... + 1890459.

It is an arithmetic number, because the mean of its divisors is an integer number (202437000).

Almost surely, 2^2821341509 is an apocalyptic number.

It is an amenable number.

2821341509 is a deficient number, since it is larger than the sum of its proper divisors (417650491).

2821341509 is a wasteful number, since it uses less digits than its factorization.

2821341509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 2821341509 is about 53116.3017255531. The cubic root of 2821341509 is about 1413.0316389026.

The spelling of 2821341509 in words is "two billion, eight hundred twenty-one million, three hundred forty-one thousand, five hundred nine".