4814051681 has 2 divisors, whose sum is σ = 4814051682. Its totient is φ = 4814051680.

The previous prime is 4814051647. The next prime is 4814051701. The reversal of 4814051681 is 1861504184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4788640000 + 25411681 = 69200^2 + 5041^2 .

It is a cyclic number.

It is not a de Polignac number, because 4814051681 - 2¹⁸ = 4813789537 is a prime.

It is a super-2 number, since 2×4814051681² = 46350187174677851522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4814051621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2407025840 + 2407025841.

It is an arithmetic number, because the mean of its divisors is an integer number (2407025841).

Almost surely, 2^4814051681 is an apocalyptic number.

It is an amenable number.

4814051681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4814051681 is an equidigital number, since it uses as much as digits as its factorization.

4814051681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 4814051681 is about 69383.3674665622. The cubic root of 4814051681 is about 1688.5097890147.

The spelling of 4814051681 in words is "four billion, eight hundred fourteen million, fifty-one thousand, six hundred eighty-one".