2081683355213 has 16 divisors (see below), whose sum is σ = 2602824897024. Its totient is φ = 1617416291760.

The previous prime is 2081683355209. The next prime is 2081683355231. The reversal of 2081683355213 is 3125533861802.

It is a cyclic number.

It is not a de Polignac number, because 2081683355213 - 2² = 2081683355209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081683351213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38928395 + ... + 38981832.

It is an arithmetic number, because the mean of its divisors is an integer number (162676556064).

Almost surely, 2^{2081683355213} is an apocalyptic number.

It is an amenable number.

2081683355213 is a deficient number, since it is larger than the sum of its proper divisors (521141541811).

2081683355213 is a wasteful number, since it uses less digits than its factorization.

2081683355213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77910592.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 2081683355213 in words is "two trillion, eighty-one billion, six hundred eighty-three million, three hundred fifty-five thousand, two hundred thirteen".