4347800081 has 2 divisors, whose sum is σ = 4347800082. Its totient is φ = 4347800080.

The previous prime is 4347800063. The next prime is 4347800087. The reversal of 4347800081 is 1800087434.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3762595600 + 585204481 = 61340^2 + 24191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4347800081 is a prime.

It is a super-2 number, since 2×4347800081² = 37806731088687213122, 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 (4347800087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2173900040 + 2173900041.

It is an arithmetic number, because the mean of its divisors is an integer number (2173900041).

Almost surely, 2^4347800081 is an apocalyptic number.

It is an amenable number.

4347800081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4347800081 is an equidigital number, since it uses as much as digits as its factorization.

4347800081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 4347800081 is about 65937.8501393547. The cubic root of 4347800081 is about 1632.1366688829.

The spelling of 4347800081 in words is "four billion, three hundred forty-seven million, eight hundred thousand, eighty-one".