2681931127 has 2 divisors, whose sum is σ = 2681931128. Its totient is φ = 2681931126.

The previous prime is 2681931089. The next prime is 2681931143. The reversal of 2681931127 is 7211391862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2681931127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2681931127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681931227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340965563 + 1340965564.

It is an arithmetic number, because the mean of its divisors is an integer number (1340965564).

Almost surely, 2^2681931127 is an apocalyptic number.

2681931127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681931127 is an equidigital number, since it uses as much as digits as its factorization.

2681931127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The square root of 2681931127 is about 51787.3645496660. The cubic root of 2681931127 is about 1389.3634624946.

The spelling of 2681931127 in words is "two billion, six hundred eighty-one million, nine hundred thirty-one thousand, one hundred twenty-seven".