2681100647 has 2 divisors, whose sum is σ = 2681100648. Its totient is φ = 2681100646.

The previous prime is 2681100619. The next prime is 2681100649. The reversal of 2681100647 is 7460011862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2681100647 - 2¹⁰ = 2681099623 is a prime.

Together with 2681100649, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681100649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340550323 + 1340550324.

It is an arithmetic number, because the mean of its divisors is an integer number (1340550324).

Almost surely, 2^2681100647 is an apocalyptic number.

2681100647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681100647 is an equidigital number, since it uses as much as digits as its factorization.

2681100647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 2681100647 is about 51779.3457567783. The cubic root of 2681100647 is about 1389.2200387659.

The spelling of 2681100647 in words is "two billion, six hundred eighty-one million, one hundred thousand, six hundred forty-seven".