6406803830 has 32 divisors (see below), whose sum is σ = 13634187840. Its totient is φ = 2120872320.

The previous prime is 6406803829. The next prime is 6406803833. The reversal of 6406803830 is 383086046.

It is a super-2 number, since 2×6406803830² = 82094270632205337800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406803833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576001 + ... + 1580060.

It is an arithmetic number, because the mean of its divisors is an integer number (426068370).

Almost surely, 2^6406803830 is an apocalyptic number.

6406803830 is an abundant number, since it is smaller than the sum of its proper divisors (7227384010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6406803830 is a wasteful number, since it uses less digits than its factorization.

6406803830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3156104.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 6406803830 is about 80042.5126417206. The cubic root of 6406803830 is about 1857.2932292132.

Adding to 6406803830 its reverse (383086046), we get a palindrome (6789889876).

The spelling of 6406803830 in words is "six billion, four hundred six million, eight hundred three thousand, eight hundred thirty".