4467872681 has 2 divisors, whose sum is σ = 4467872682. Its totient is φ = 4467872680.

The previous prime is 4467872657. The next prime is 4467872741. The reversal of 4467872681 is 1862787644.

4467872681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2466115600 + 2001757081 = 49660^2 + 44741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4467872681 is a prime.

It is a super-2 number, since 2×4467872681² = 39923772587252255522, 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 (4467872621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2233936340 + 2233936341.

It is an arithmetic number, because the mean of its divisors is an integer number (2233936341).

Almost surely, 2^4467872681 is an apocalyptic number.

It is an amenable number.

4467872681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4467872681 is an equidigital number, since it uses as much as digits as its factorization.

4467872681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 53.

The square root of 4467872681 is about 66842.1474894396. The cubic root of 4467872681 is about 1647.0252714692.

The spelling of 4467872681 in words is "four billion, four hundred sixty-seven million, eight hundred seventy-two thousand, six hundred eighty-one".