6430079620 has 12 divisors (see below), whose sum is σ = 13503167244. Its totient is φ = 2572031840.

The previous prime is 6430079599. The next prime is 6430079633. The reversal of 6430079620 is 269700346.

It can be written as a sum of positive squares in 2 ways, for example, as 4786425856 + 1643653764 = 69184^2 + 40542^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6430079620.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 160751971 + ... + 160752010.

It is an arithmetic number, because the mean of its divisors is an integer number (1125263937).

Almost surely, 2^6430079620 is an apocalyptic number.

It is an amenable number.

6430079620 is an abundant number, since it is smaller than the sum of its proper divisors (7073087624).

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

6430079620 is a wasteful number, since it uses less digits than its factorization.

6430079620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321503990 (or 321503988 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 6430079620 is about 80187.7772481567. Note that the first 3 decimals coincide. The cubic root of 6430079620 is about 1859.5396806692.

Adding to 6430079620 its reverse (269700346), we get a palindrome (6699779966).

The spelling of 6430079620 in words is "six billion, four hundred thirty million, seventy-nine thousand, six hundred twenty".