5983381681 has 2 divisors, whose sum is σ = 5983381682. Its totient is φ = 5983381680.

The previous prime is 5983381661. The next prime is 5983381697. The reversal of 5983381681 is 1861833895.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4714882225 + 1268499456 = 68665^2 + 35616^2 .

It is a cyclic number.

It is not a de Polignac number, because 5983381681 - 2⁹ = 5983381169 is a prime.

It is a super-2 number, since 2×5983381681² = 71601712681052771522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5983381631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2991690840 + 2991690841.

It is an arithmetic number, because the mean of its divisors is an integer number (2991690841).

Almost surely, 2^5983381681 is an apocalyptic number.

It is an amenable number.

5983381681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5983381681 is an equidigital number, since it uses as much as digits as its factorization.

5983381681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 52.

The square root of 5983381681 is about 77352.3217557172. The cubic root of 5983381681 is about 1815.4414032666.

The spelling of 5983381681 in words is "five billion, nine hundred eighty-three million, three hundred eighty-one thousand, six hundred eighty-one".