6749346512 has 10 divisors (see below), whose sum is σ = 13076858898. Its totient is φ = 3374673248.

The previous prime is 6749346493. The next prime is 6749346517. The reversal of 6749346512 is 2156439476.

It can be written as a sum of positive squares in only one way, i.e., 6714819136 + 34527376 = 81944^2 + 5876^2 .

It is a super-2 number, since 2×6749346512² = 91107356678093132288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749346517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210917063 + ... + 210917094.

Almost surely, 2^6749346512 is an apocalyptic number.

It is an amenable number.

6749346512 is a deficient number, since it is larger than the sum of its proper divisors (6327512386).

6749346512 is a wasteful number, since it uses less digits than its factorization.

6749346512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421834165 (or 421834159 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 6749346512 is about 82154.4065281954. The cubic root of 6749346512 is about 1889.8205844824.

The spelling of 6749346512 in words is "six billion, seven hundred forty-nine million, three hundred forty-six thousand, five hundred twelve".