7849136271 has 4 divisors (see below), whose sum is σ = 10465515032. Its totient is φ = 5232757512.

The previous prime is 7849136263. The next prime is 7849136287. The reversal of 7849136271 is 1726319487.

It is a happy number.

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

It is not a de Polignac number, because 7849136271 - 2³ = 7849136263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7849136271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7849136231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1308189376 + ... + 1308189381.

It is an arithmetic number, because the mean of its divisors is an integer number (2616378758).

Almost surely, 2^7849136271 is an apocalyptic number.

7849136271 is a deficient number, since it is larger than the sum of its proper divisors (2616378761).

7849136271 is a wasteful number, since it uses less digits than its factorization.

7849136271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616378760.

The product of its digits is 508032, while the sum is 48.

The square root of 7849136271 is about 88595.3512945233. The cubic root of 7849136271 is about 1987.3481567790.

The spelling of 7849136271 in words is "seven billion, eight hundred forty-nine million, one hundred thirty-six thousand, two hundred seventy-one".