4814423981 has 2 divisors, whose sum is σ = 4814423982. Its totient is φ = 4814423980.

The previous prime is 4814423941. The next prime is 4814424011. The reversal of 4814423981 is 1893244184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4530501481 + 283922500 = 67309^2 + 16850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4814423981 is a prime.

It is a super-2 number, since 2×4814423981² = 46357356537655776722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4814423941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2407211990 + 2407211991.

It is an arithmetic number, because the mean of its divisors is an integer number (2407211991).

Almost surely, 2^4814423981 is an apocalyptic number.

It is an amenable number.

4814423981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4814423981 is an equidigital number, since it uses as much as digits as its factorization.

4814423981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 4814423981 is about 69386.0503343431. The cubic root of 4814423981 is about 1688.5533154820.

The spelling of 4814423981 in words is "four billion, eight hundred fourteen million, four hundred twenty-three thousand, nine hundred eighty-one".