6505864622 has 4 divisors (see below), whose sum is σ = 9758796936. Its totient is φ = 3252932310.

The previous prime is 6505864621. The next prime is 6505864627. The reversal of 6505864622 is 2264685056.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505864621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626466154 + ... + 1626466157.

It is an arithmetic number, because the mean of its divisors is an integer number (2439699234).

Almost surely, 2^6505864622 is an apocalyptic number.

6505864622 is a deficient number, since it is larger than the sum of its proper divisors (3252932314).

6505864622 is a wasteful number, since it uses less digits than its factorization.

6505864622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252932313.

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 6505864622 is about 80658.9401244524. The cubic root of 6505864622 is about 1866.8166857676.

The spelling of 6505864622 in words is "six billion, five hundred five million, eight hundred sixty-four thousand, six hundred twenty-two".