2681742233 has 2 divisors, whose sum is σ = 2681742234. Its totient is φ = 2681742232.

The previous prime is 2681742229. The next prime is 2681742253. The reversal of 2681742233 is 3322471862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1837665424 + 844076809 = 42868^2 + 29053^2 .

It is a cyclic number.

It is not a de Polignac number, because 2681742233 - 2² = 2681742229 is a prime.

It is not a weakly prime, because it can be changed into another prime (2681742253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340871116 + 1340871117.

It is an arithmetic number, because the mean of its divisors is an integer number (1340871117).

Almost surely, 2^2681742233 is an apocalyptic number.

It is an amenable number.

2681742233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681742233 is an equidigital number, since it uses as much as digits as its factorization.

2681742233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 2681742233 is about 51785.5407715320. The cubic root of 2681742233 is about 1389.3308431404.

The spelling of 2681742233 in words is "two billion, six hundred eighty-one million, seven hundred forty-two thousand, two hundred thirty-three".