6430457380 has 12 divisors (see below), whose sum is σ = 13503960540. Its totient is φ = 2572182944.

The previous prime is 6430457347. The next prime is 6430457381. The reversal of 6430457380 is 837540346.

It can be written as a sum of positive squares in 2 ways, for example, as 3883034596 + 2547422784 = 62314^2 + 50472^2 .

It is not an unprimeable number, because it can be changed into a prime (6430457381) 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 3 ways as a sum of consecutive naturals, for example, 160761415 + ... + 160761454.

It is an arithmetic number, because the mean of its divisors is an integer number (1125330045).

Almost surely, 2^6430457380 is an apocalyptic number.

It is an amenable number.

6430457380 is an abundant number, since it is smaller than the sum of its proper divisors (7073503160).

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

6430457380 is a wasteful number, since it uses less digits than its factorization.

6430457380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321522878 (or 321522876 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 6430457380 is about 80190.1326847637. The cubic root of 6430457380 is about 1859.5760952496.

The spelling of 6430457380 in words is "six billion, four hundred thirty million, four hundred fifty-seven thousand, three hundred eighty".