2821973383313 has 12 divisors (see below), whose sum is σ = 3352548494592. Its totient is φ = 2367369766440.

The previous prime is 2821973383289. The next prime is 2821973383331. The reversal of 2821973383313 is 3133833791282.

It is a happy number.

It is not a de Polignac number, because 2821973383313 - 2⁶ = 2821973383249 is a prime.

It is a super-2 number, since 2×2821973383313² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2821973383013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612671033 + ... + 612675638.

It is an arithmetic number, because the mean of its divisors is an integer number (279379041216).

Almost surely, 2^{2821973383313} is an apocalyptic number.

It is an amenable number.

2821973383313 is a deficient number, since it is larger than the sum of its proper divisors (530575111279).

2821973383313 is a wasteful number, since it uses less digits than its factorization.

2821973383313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225346732 (or 1225346725 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 53.

The spelling of 2821973383313 in words is "two trillion, eight hundred twenty-one billion, nine hundred seventy-three million, three hundred eighty-three thousand, three hundred thirteen".