4948121181 has 16 divisors (see below), whose sum is σ = 6724472256. Its totient is φ = 3235305216.

The previous prime is 4948121177. The next prime is 4948121207. The reversal of 4948121181 is 1811218494.

It is not a de Polignac number, because 4948121181 - 2² = 4948121177 is a prime.

It is a super-2 number, since 2×4948121181² = 48967806443721669522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4948123181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 675766 + ... + 683048.

It is an arithmetic number, because the mean of its divisors is an integer number (420279516).

Almost surely, 2^4948121181 is an apocalyptic number.

It is an amenable number.

4948121181 is a deficient number, since it is larger than the sum of its proper divisors (1776351075).

4948121181 is a wasteful number, since it uses less digits than its factorization.

4948121181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11612.

The product of its digits is 18432, while the sum is 39.

The square root of 4948121181 is about 70342.8829449007. The cubic root of 4948121181 is about 1704.0412713312.

The spelling of 4948121181 in words is "four billion, nine hundred forty-eight million, one hundred twenty-one thousand, one hundred eighty-one".