4981771893 has 8 divisors (see below), whose sum is σ = 7591271488. Its totient is φ = 2846726784.

The previous prime is 4981771891. The next prime is 4981771903. The reversal of 4981771893 is 3981771894.

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

It is not a de Polignac number, because 4981771893 - 2¹ = 4981771891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981771891) 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, 118613596 + ... + 118613637.

It is an arithmetic number, because the mean of its divisors is an integer number (948908936).

Almost surely, 2^4981771893 is an apocalyptic number.

It is an amenable number.

4981771893 is a deficient number, since it is larger than the sum of its proper divisors (2609499595).

4981771893 is a wasteful number, since it uses less digits than its factorization.

4981771893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237227243.

The product of its digits is 3048192, while the sum is 57.

The square root of 4981771893 is about 70581.6682503325. The cubic root of 4981771893 is about 1707.8954414117.

Subtracting from 4981771893 its reverse (3981771894), we obtain a palindrome (999999999).

The spelling of 4981771893 in words is "four billion, nine hundred eighty-one million, seven hundred seventy-one thousand, eight hundred ninety-three".