2681078443 has 2 divisors, whose sum is σ = 2681078444. Its totient is φ = 2681078442.

The previous prime is 2681078417. The next prime is 2681078447. The reversal of 2681078443 is 3448701862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2681078443 - 2¹³ = 2681070251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2681078443.

It is not a weakly prime, because it can be changed into another prime (2681078447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340539221 + 1340539222.

It is an arithmetic number, because the mean of its divisors is an integer number (1340539222).

Almost surely, 2^2681078443 is an apocalyptic number.

2681078443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681078443 is an equidigital number, since it uses as much as digits as its factorization.

2681078443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 2681078443 is about 51779.1313465184. The cubic root of 2681078443 is about 1389.2162037331.

The spelling of 2681078443 in words is "two billion, six hundred eighty-one million, seventy-eight thousand, four hundred forty-three".