2132063981 has 2 divisors, whose sum is σ = 2132063982. Its totient is φ = 2132063980.

The previous prime is 2132063953. The next prime is 2132064013. The reversal of 2132063981 is 1893602312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2046205225 + 85858756 = 45235^2 + 9266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132063981 is a prime.

It is a super-2 number, since 2×2132063981² = 9091393638155136722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132063881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066031990 + 1066031991.

It is an arithmetic number, because the mean of its divisors is an integer number (1066031991).

Almost surely, 2^2132063981 is an apocalyptic number.

It is an amenable number.

2132063981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132063981 is an equidigital number, since it uses as much as digits as its factorization.

2132063981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2132063981 is about 46174.2783484485. The cubic root of 2132063981 is about 1287.0638066921.

The spelling of 2132063981 in words is "two billion, one hundred thirty-two million, sixty-three thousand, nine hundred eighty-one".