4949138271 has 16 divisors (see below), whose sum is σ = 8227139328. Its totient is φ = 2570980800.

The previous prime is 4949138263. The next prime is 4949138287. The reversal of 4949138271 is 1728319494.

It is not a de Polignac number, because 4949138271 - 2³ = 4949138263 is a prime.

It is a super-3 number, since 3×4949138271³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4949138271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4949138261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10712190 + ... + 10712651.

It is an arithmetic number, because the mean of its divisors is an integer number (514196208).

Almost surely, 2^4949138271 is an apocalyptic number.

4949138271 is a deficient number, since it is larger than the sum of its proper divisors (3278001057).

4949138271 is a wasteful number, since it uses less digits than its factorization.

4949138271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21424862.

The product of its digits is 435456, while the sum is 48.

The square root of 4949138271 is about 70350.1120894629. The cubic root of 4949138271 is about 1704.1580189838.

The spelling of 4949138271 in words is "four billion, nine hundred forty-nine million, one hundred thirty-eight thousand, two hundred seventy-one".