6465225605 has 16 divisors (see below), whose sum is σ = 8019129600. Its totient is φ = 5001149760.

The previous prime is 6465225581. The next prime is 6465225607. The reversal of 6465225605 is 5065225646.

It is not a de Polignac number, because 6465225605 - 2¹⁶ = 6465160069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465225607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161645 + ... + 197634.

It is an arithmetic number, because the mean of its divisors is an integer number (501195600).

Almost surely, 2^6465225605 is an apocalyptic number.

It is an amenable number.

6465225605 is a deficient number, since it is larger than the sum of its proper divisors (1553903995).

6465225605 is a wasteful number, since it uses less digits than its factorization.

6465225605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359404.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 6465225605 is about 80406.6266236807. The cubic root of 6465225605 is about 1862.9215278213.

Adding to 6465225605 its sum of digits (41), we get a palindrome (6465225646).

The spelling of 6465225605 in words is "six billion, four hundred sixty-five million, two hundred twenty-five thousand, six hundred five".