6484438730 has 64 divisors (see below), whose sum is σ = 14562830592. Its totient is φ = 2019632640.

The previous prime is 6484438729. The next prime is 6484438747. The reversal of 6484438730 is 378344846.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1535582 + ... + 1539798.

It is an arithmetic number, because the mean of its divisors is an integer number (227544228).

Almost surely, 2^6484438730 is an apocalyptic number.

6484438730 is an abundant number, since it is smaller than the sum of its proper divisors (8078391862).

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

6484438730 is a wasteful number, since it uses less digits than its factorization.

6484438730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239.

The product of its (nonzero) digits is 1548288, while the sum is 47.

The square root of 6484438730 is about 80526.0127536438. The cubic root of 6484438730 is about 1864.7650905531.

The spelling of 6484438730 in words is "six billion, four hundred eighty-four million, four hundred thirty-eight thousand, seven hundred thirty".