6749479514 has 4 divisors (see below), whose sum is σ = 10124219274. Its totient is φ = 3374739756.

The previous prime is 6749479507. The next prime is 6749479531. The reversal of 6749479514 is 4159749476.

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

It can be written as a sum of positive squares in only one way, i.e., 6240210025 + 509269489 = 78995^2 + 22567^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6749479514.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1687369877 + ... + 1687369880.

Almost surely, 2^6749479514 is an apocalyptic number.

6749479514 is a deficient number, since it is larger than the sum of its proper divisors (3374739760).

6749479514 is a wasteful number, since it uses less digits than its factorization.

6749479514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374739759.

The product of its digits is 7620480, while the sum is 56.

The square root of 6749479514 is about 82155.2159877874. The cubic root of 6749479514 is about 1889.8329979443.

The spelling of 6749479514 in words is "six billion, seven hundred forty-nine million, four hundred seventy-nine thousand, five hundred fourteen".