2681734919 has 2 divisors, whose sum is σ = 2681734920. Its totient is φ = 2681734918.

The previous prime is 2681734849. The next prime is 2681734967. The reversal of 2681734919 is 9194371862.

2681734919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2681734919 is a prime.

It is a super-2 number, since 2×2681734919² = 14383404351567873122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681734219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340867459 + 1340867460.

It is an arithmetic number, because the mean of its divisors is an integer number (1340867460).

Almost surely, 2^2681734919 is an apocalyptic number.

2681734919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681734919 is an equidigital number, since it uses as much as digits as its factorization.

2681734919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 2681734919 is about 51785.4701533162. The cubic root of 2681734919 is about 1389.3295800841.

The spelling of 2681734919 in words is "two billion, six hundred eighty-one million, seven hundred thirty-four thousand, nine hundred nineteen".