6484426564 has 144 divisors (see below), whose sum is σ = 15305129280. Its totient is φ = 2372509440.

The previous prime is 6484426537. The next prime is 6484426567. The reversal of 6484426564 is 4656244846.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (6484426567) 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 47 ways as a sum of consecutive naturals, for example, 2311987 + ... + 2314789.

It is an arithmetic number, because the mean of its divisors is an integer number (106285620).

Almost surely, 2^6484426564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6484426564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7652564640).

6484426564 is an abundant number, since it is smaller than the sum of its proper divisors (8820702716).

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

6484426564 is a wasteful number, since it uses less digits than its factorization.

6484426564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2889 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 49.

The square root of 6484426564 is about 80525.9372128012. The cubic root of 6484426564 is about 1864.7639243382.

The spelling of 6484426564 in words is "six billion, four hundred eighty-four million, four hundred twenty-six thousand, five hundred sixty-four".