2681779327 has 2 divisors, whose sum is σ = 2681779328. Its totient is φ = 2681779326.

The previous prime is 2681779313. The next prime is 2681779357. The reversal of 2681779327 is 7239771862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2681779327 - 2²³ = 2673390719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681779307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340889663 + 1340889664.

It is an arithmetic number, because the mean of its divisors is an integer number (1340889664).

Almost surely, 2^2681779327 is an apocalyptic number.

2681779327 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681779327 is an equidigital number, since it uses as much as digits as its factorization.

2681779327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1778112, while the sum is 52.

The square root of 2681779327 is about 51785.8989204590. The cubic root of 2681779327 is about 1389.3372488767.

The spelling of 2681779327 in words is "two billion, six hundred eighty-one million, seven hundred seventy-nine thousand, three hundred twenty-seven".