2093743881 has 6 divisors (see below), whose sum is σ = 3024296730. Its totient is φ = 1395829248.

The previous prime is 2093743877. The next prime is 2093743907. The reversal of 2093743881 is 1883473902.

2093743881 is a `hidden beast` number, since 209 + 3 + 7 + 438 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1911088656 + 182655225 = 43716^2 + 13515^2 .

It is not a de Polignac number, because 2093743881 - 2² = 2093743877 is a prime.

It is a super-2 number, since 2×2093743881² = 8767526878449884322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2093743081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116319096 + ... + 116319113.

It is an arithmetic number, because the mean of its divisors is an integer number (504049455).

Almost surely, 2^2093743881 is an apocalyptic number.

It is an amenable number.

2093743881 is a deficient number, since it is larger than the sum of its proper divisors (930552849).

2093743881 is a wasteful number, since it uses less digits than its factorization.

2093743881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232638215 (or 232638212 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 2093743881 is about 45757.4461809223. The cubic root of 2093743881 is about 1279.3062404649.

The spelling of 2093743881 in words is "two billion, ninety-three million, seven hundred forty-three thousand, eight hundred eighty-one".