2681634911 has 2 divisors, whose sum is σ = 2681634912. Its totient is φ = 2681634910.

The previous prime is 2681634853. The next prime is 2681634919. The reversal of 2681634911 is 1194361862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2681634911 - 2³⁰ = 1607893087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681634919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340817455 + 1340817456.

It is an arithmetic number, because the mean of its divisors is an integer number (1340817456).

Almost surely, 2^2681634911 is an apocalyptic number.

2681634911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681634911 is an equidigital number, since it uses as much as digits as its factorization.

2681634911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 41.

The square root of 2681634911 is about 51784.5045452788. The cubic root of 2681634911 is about 1389.3123094484.

The spelling of 2681634911 in words is "two billion, six hundred eighty-one million, six hundred thirty-four thousand, nine hundred eleven".