4306847981 has 2 divisors, whose sum is σ = 4306847982. Its totient is φ = 4306847980.

The previous prime is 4306847953. The next prime is 4306848041. The reversal of 4306847981 is 1897486034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3666302500 + 640545481 = 60550^2 + 25309^2 .

It is a cyclic number.

It is not a de Polignac number, because 4306847981 - 2⁶ = 4306847917 is a prime.

It is a super-2 number, since 2×4306847981² = 37097879062887552722, 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 (4306847921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2153423990 + 2153423991.

It is an arithmetic number, because the mean of its divisors is an integer number (2153423991).

Almost surely, 2^4306847981 is an apocalyptic number.

It is an amenable number.

4306847981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4306847981 is an equidigital number, since it uses as much as digits as its factorization.

4306847981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 4306847981 is about 65626.5798362218. The cubic root of 4306847981 is about 1626.9961087309.

The spelling of 4306847981 in words is "four billion, three hundred six million, eight hundred forty-seven thousand, nine hundred eighty-one".