6830390749 has 8 divisors (see below), whose sum is σ = 8406634880. Its totient is φ = 5404265136.

The previous prime is 6830390701. The next prime is 6830390767. The reversal of 6830390749 is 9470930386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6830390749 - 2¹⁵ = 6830357981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6830390249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37529529 + ... + 37529710.

It is an arithmetic number, because the mean of its divisors is an integer number (1050829360).

Almost surely, 2^6830390749 is an apocalyptic number.

It is an amenable number.

6830390749 is a deficient number, since it is larger than the sum of its proper divisors (1576244131).

6830390749 is a wasteful number, since it uses less digits than its factorization.

6830390749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75059259.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 6830390749 is about 82646.1780665023. The cubic root of 6830390749 is about 1897.3546518625.

The spelling of 6830390749 in words is "six billion, eight hundred thirty million, three hundred ninety thousand, seven hundred forty-nine".