6464661430 has 16 divisors (see below), whose sum is σ = 11637806544. Its totient is φ = 2585549920.

The previous prime is 6464661419. The next prime is 6464661431. The reversal of 6464661430 is 341664646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464661431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58560 + ... + 127900.

It is an arithmetic number, because the mean of its divisors is an integer number (727362909).

Almost surely, 2^6464661430 is an apocalyptic number.

6464661430 is a deficient number, since it is larger than the sum of its proper divisors (5173145114).

6464661430 is a wasteful number, since it uses less digits than its factorization.

6464661430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78671.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 6464661430 is about 80403.1182853004. The cubic root of 6464661430 is about 1862.8673382028.

The spelling of 6464661430 in words is "six billion, four hundred sixty-four million, six hundred sixty-one thousand, four hundred thirty".