2083637681 has 4 divisors (see below), whose sum is σ = 2083732992. Its totient is φ = 2083542372.

The previous prime is 2083637669. The next prime is 2083637693. The reversal of 2083637681 is 1867363802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (2083637669) and next prime (2083637693).

It is a cyclic number.

It is not a de Polignac number, because 2083637681 - 2¹⁰ = 2083636657 is a prime.

It is a super-2 number, since 2×2083637681² = 8683091971366115522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2083631681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3296 + ... + 64638.

It is an arithmetic number, because the mean of its divisors is an integer number (520933248).

Almost surely, 2^2083637681 is an apocalyptic number.

It is an amenable number.

2083637681 is a deficient number, since it is larger than the sum of its proper divisors (95311).

2083637681 is an equidigital number, since it uses as much as digits as its factorization.

2083637681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95310.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2083637681 is about 45646.8802986579. The cubic root of 2083637681 is about 1277.2445774910.

The spelling of 2083637681 in words is "two billion, eighty-three million, six hundred thirty-seven thousand, six hundred eighty-one".