6430550819 has 12 divisors (see below), whose sum is σ = 8160477048. Its totient is φ = 5010818400.

The previous prime is 6430550809. The next prime is 6430550843. The reversal of 6430550819 is 9180550346.

It is not a de Polignac number, because 6430550819 - 2⁸ = 6430550563 is a prime.

It is a super-2 number, since 2×6430550819² = 82703967671483141522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6430550809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5964722 + ... + 5965799.

It is an arithmetic number, because the mean of its divisors is an integer number (680039754).

Almost surely, 2^6430550819 is an apocalyptic number.

6430550819 is a deficient number, since it is larger than the sum of its proper divisors (1729926229).

6430550819 is a wasteful number, since it uses less digits than its factorization.

6430550819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930546 (or 11930539 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 6430550819 is about 80190.7152917344. The cubic root of 6430550819 is about 1859.5851021822.

The spelling of 6430550819 in words is "six billion, four hundred thirty million, five hundred fifty thousand, eight hundred nineteen".