6447500830 has 8 divisors (see below), whose sum is σ = 11605501512. Its totient is φ = 2579000328.

The previous prime is 6447500809. The next prime is 6447500833. The reversal of 6447500830 is 380057446.

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

It is a self number, because there is not a number n which added to its sum of digits gives 6447500830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6447500833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322375032 + ... + 322375051.

It is an arithmetic number, because the mean of its divisors is an integer number (1450687689).

Almost surely, 2^6447500830 is an apocalyptic number.

6447500830 is a deficient number, since it is larger than the sum of its proper divisors (5158000682).

6447500830 is a wasteful number, since it uses less digits than its factorization.

6447500830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644750090.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 6447500830 is about 80296.3313607789. The cubic root of 6447500830 is about 1861.2175354034.

The spelling of 6447500830 in words is "six billion, four hundred forty-seven million, five hundred thousand, eight hundred thirty".