6749271173 has 4 divisors (see below), whose sum is σ = 6749474880. Its totient is φ = 6749067468.

The previous prime is 6749271163. The next prime is 6749271187. The reversal of 6749271173 is 3711729476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6749271173 - 2¹⁶ = 6749205637 is a prime.

It is a super-2 number, since 2×6749271173² = 91105322733377591858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749271163) 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, 39383 + ... + 122676.

It is an arithmetic number, because the mean of its divisors is an integer number (1687368720).

Almost surely, 2^6749271173 is an apocalyptic number.

It is an amenable number.

6749271173 is a deficient number, since it is larger than the sum of its proper divisors (203707).

6749271173 is a wasteful number, since it uses less digits than its factorization.

6749271173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203706.

The product of its digits is 444528, while the sum is 47.

The square root of 6749271173 is about 82153.9480061671. The cubic root of 6749271173 is about 1889.8135528030.

The spelling of 6749271173 in words is "six billion, seven hundred forty-nine million, two hundred seventy-one thousand, one hundred seventy-three".