6489830738 has 8 divisors (see below), whose sum is σ = 9785185788. Its totient is φ = 3228102144.

The previous prime is 6489830731. The next prime is 6489830773. The reversal of 6489830738 is 8370389846.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6397920169 + 91910569 = 79987^2 + 9587^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6489830731) 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, 8406131 + ... + 8406902.

Almost surely, 2^6489830738 is an apocalyptic number.

6489830738 is a deficient number, since it is larger than the sum of its proper divisors (3295355050).

6489830738 is a wasteful number, since it uses less digits than its factorization.

6489830738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16813228.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The square root of 6489830738 is about 80559.4857108708. The cubic root of 6489830738 is about 1865.2818169821.

The spelling of 6489830738 in words is "six billion, four hundred eighty-nine million, eight hundred thirty thousand, seven hundred thirty-eight".