4173872681 has 8 divisors (see below), whose sum is σ = 4559308128. Its totient is φ = 3789436000.

The previous prime is 4173872617. The next prime is 4173872707. The reversal of 4173872681 is 1862783714.

It is a happy number.

4173872681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4173872681 - 2⁶ = 4173872617 is a prime.

It is a super-2 number, since 2×4173872681² = 34842426314396255522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4173872081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240935 + ... + 257676.

It is an arithmetic number, because the mean of its divisors is an integer number (569913516).

Almost surely, 2^4173872681 is an apocalyptic number.

It is an amenable number.

4173872681 is a deficient number, since it is larger than the sum of its proper divisors (385435447).

4173872681 is a wasteful number, since it uses less digits than its factorization.

4173872681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499383.

The product of its digits is 451584, while the sum is 47.

The square root of 4173872681 is about 64605.5158713248. The cubic root of 4173872681 is about 1610.0760841325.

The spelling of 4173872681 in words is "four billion, one hundred seventy-three million, eight hundred seventy-two thousand, six hundred eighty-one".