6749464939 has 16 divisors (see below), whose sum is σ = 7894425600. Its totient is φ = 5650212384.

The previous prime is 6749464907. The next prime is 6749464963. The reversal of 6749464939 is 9394649476.

It is a cyclic number.

It is not a de Polignac number, because 6749464939 - 2⁵ = 6749464907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6749464979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136177 + ... + 179005.

It is an arithmetic number, because the mean of its divisors is an integer number (493401600).

Almost surely, 2^6749464939 is an apocalyptic number.

6749464939 is a deficient number, since it is larger than the sum of its proper divisors (1144960661).

6749464939 is a wasteful number, since it uses less digits than its factorization.

6749464939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43362.

The product of its digits is 35271936, while the sum is 61.

The square root of 6749464939 is about 82155.1272836942. The cubic root of 6749464939 is about 1889.8316376253.

The spelling of 6749464939 in words is "six billion, seven hundred forty-nine million, four hundred sixty-four thousand, nine hundred thirty-nine".