6832642981 has 2 divisors, whose sum is σ = 6832642982. Its totient is φ = 6832642980.

The previous prime is 6832642969. The next prime is 6832642987. The reversal of 6832642981 is 1892462386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6684534081 + 148108900 = 81759^2 + 12170^2 .

It is a cyclic number.

It is not a de Polignac number, because 6832642981 - 2²³ = 6824254373 is a prime.

It is a super-2 number, since 2×6832642981² = 93370020211617132722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6832642987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3416321490 + 3416321491.

It is an arithmetic number, because the mean of its divisors is an integer number (3416321491).

Almost surely, 2^6832642981 is an apocalyptic number.

It is an amenable number.

6832642981 is a deficient number, since it is larger than the sum of its proper divisors (1).

6832642981 is an equidigital number, since it uses as much as digits as its factorization.

6832642981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 49.

The square root of 6832642981 is about 82659.8026915138. The cubic root of 6832642981 is about 1897.5631715709.

The spelling of 6832642981 in words is "six billion, eight hundred thirty-two million, six hundred forty-two thousand, nine hundred eighty-one".