9747982943 has 2 divisors, whose sum is σ = 9747982944. Its totient is φ = 9747982942.

The previous prime is 9747982883. The next prime is 9747982957. The reversal of 9747982943 is 3492897479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9747982943 - 2²⁰ = 9746934367 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9747982973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4873991471 + 4873991472.

It is an arithmetic number, because the mean of its divisors is an integer number (4873991472).

Almost surely, 2^9747982943 is an apocalyptic number.

9747982943 is a deficient number, since it is larger than the sum of its proper divisors (1).

9747982943 is an equidigital number, since it uses as much as digits as its factorization.

9747982943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 62.

The square root of 9747982943 is about 98731.8739972052. The cubic root of 9747982943 is about 2136.1820110973.

The spelling of 9747982943 in words is "nine billion, seven hundred forty-seven million, nine hundred eighty-two thousand, nine hundred forty-three".