2731678841 has 2 divisors, whose sum is σ = 2731678842. Its totient is φ = 2731678840.

The previous prime is 2731678799. The next prime is 2731678853. The reversal of 2731678841 is 1488761372.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2500000000 + 231678841 = 50000^2 + 15221^2 .

It is a cyclic number.

It is not a de Polignac number, because 2731678841 - 2¹⁸ = 2731416697 is a prime.

It is not a weakly prime, because it can be changed into another prime (2731678441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1365839420 + 1365839421.

It is an arithmetic number, because the mean of its divisors is an integer number (1365839421).

Almost surely, 2^2731678841 is an apocalyptic number.

It is an amenable number.

2731678841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2731678841 is an equidigital number, since it uses as much as digits as its factorization.

2731678841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 47.

The square root of 2731678841 is about 52265.4650892920. The cubic root of 2731678841 is about 1397.9014206282.

The spelling of 2731678841 in words is "two billion, seven hundred thirty-one million, six hundred seventy-eight thousand, eight hundred forty-one".