5857729681 has 2 divisors, whose sum is σ = 5857729682. Its totient is φ = 5857729680.

The previous prime is 5857729679. The next prime is 5857729711. The reversal of 5857729681 is 1869277585.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5024541456 + 833188225 = 70884^2 + 28865^2 .

It is a cyclic number.

It is not a de Polignac number, because 5857729681 - 2¹ = 5857729679 is a prime.

It is a super-2 number, since 2×5857729681² = 68625994031336723522, which contains 22 as substring.

Together with 5857729679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5857739681) 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, 2928864840 + 2928864841.

It is an arithmetic number, because the mean of its divisors is an integer number (2928864841).

Almost surely, 2^5857729681 is an apocalyptic number.

It is an amenable number.

5857729681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5857729681 is an equidigital number, since it uses as much as digits as its factorization.

5857729681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 58.

The square root of 5857729681 is about 76535.8065287092. The cubic root of 5857729681 is about 1802.6432032209.

The spelling of 5857729681 in words is "five billion, eight hundred fifty-seven million, seven hundred twenty-nine thousand, six hundred eighty-one".