4863172381 has 4 divisors (see below), whose sum is σ = 4863593052. Its totient is φ = 4862751712.

The previous prime is 4863172351. The next prime is 4863172387. The reversal of 4863172381 is 1832713684.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3135440025 + 1727732356 = 55995^2 + 41566^2 .

It is a cyclic number.

It is not a de Polignac number, because 4863172381 - 2⁷ = 4863172253 is a prime.

It is a super-2 number, since 2×4863172381² = 47300891214642418322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4863172387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192490 + ... + 216283.

It is an arithmetic number, because the mean of its divisors is an integer number (1215898263).

Almost surely, 2^4863172381 is an apocalyptic number.

It is an amenable number.

4863172381 is a deficient number, since it is larger than the sum of its proper divisors (420671).

4863172381 is a wasteful number, since it uses less digits than its factorization.

4863172381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420670.

The product of its digits is 193536, while the sum is 43.

The square root of 4863172381 is about 69736.4494436016. The cubic root of 4863172381 is about 1694.2333304419.

The spelling of 4863172381 in words is "four billion, eight hundred sixty-three million, one hundred seventy-two thousand, three hundred eighty-one".