6747211131 has 4 divisors (see below), whose sum is σ = 8996281512. Its totient is φ = 4498140752.

The previous prime is 6747211127. The next prime is 6747211139. The reversal of 6747211131 is 1311127476.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6747211131 - 2² = 6747211127 is a prime.

It is a super-2 number, since 2×6747211131² = 91049716092580598322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6747211092 and 6747211101.

It is not an unprimeable number, because it can be changed into a prime (6747211139) 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, 1124535186 + ... + 1124535191.

It is an arithmetic number, because the mean of its divisors is an integer number (2249070378).

Almost surely, 2^6747211131 is an apocalyptic number.

6747211131 is a deficient number, since it is larger than the sum of its proper divisors (2249070381).

6747211131 is a wasteful number, since it uses less digits than its factorization.

6747211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249070380.

The product of its digits is 7056, while the sum is 33.

The square root of 6747211131 is about 82141.4093560611. The cubic root of 6747211131 is about 1889.6212608578.

The spelling of 6747211131 in words is "six billion, seven hundred forty-seven million, two hundred eleven thousand, one hundred thirty-one".