6486326564 has 6 divisors (see below), whose sum is σ = 11351071494. Its totient is φ = 3243163280.

The previous prime is 6486326549. The next prime is 6486326569. The reversal of 6486326564 is 4656236846.

It can be written as a sum of positive squares in only one way, i.e., 4139892964 + 2346433600 = 64342^2 + 48440^2 .

It is not an unprimeable number, because it can be changed into a prime (6486326569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810790817 + ... + 810790824.

It is an arithmetic number, because the mean of its divisors is an integer number (1891845249).

Almost surely, 2^6486326564 is an apocalyptic number.

It is an amenable number.

6486326564 is a deficient number, since it is larger than the sum of its proper divisors (4864744930).

6486326564 is a wasteful number, since it uses less digits than its factorization.

6486326564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621581645 (or 1621581643 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 50.

The square root of 6486326564 is about 80537.7337898205. The cubic root of 6486326564 is about 1864.9460378697.

The spelling of 6486326564 in words is "six billion, four hundred eighty-six million, three hundred twenty-six thousand, five hundred sixty-four".