5706440681 has 2 divisors, whose sum is σ = 5706440682. Its totient is φ = 5706440680.

The previous prime is 5706440669. The next prime is 5706440687. The reversal of 5706440681 is 1860446075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4821913600 + 884527081 = 69440^2 + 29741^2 .

It is a cyclic number.

It is not a de Polignac number, because 5706440681 - 2⁶ = 5706440617 is a prime.

It is a super-2 number, since 2×5706440681² = 65126930491543487522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5706440687) 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, 2853220340 + 2853220341.

It is an arithmetic number, because the mean of its divisors is an integer number (2853220341).

Almost surely, 2^5706440681 is an apocalyptic number.

It is an amenable number.

5706440681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5706440681 is an equidigital number, since it uses as much as digits as its factorization.

5706440681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 5706440681 is about 75540.9867621545. The cubic root of 5706440681 is about 1786.9885468186.

The spelling of 5706440681 in words is "five billion, seven hundred six million, four hundred forty thousand, six hundred eighty-one".