6465451522 has 16 divisors (see below), whose sum is σ = 9817629120. Its totient is φ = 3193070832.

The previous prime is 6465451513. The next prime is 6465451523. The reversal of 6465451522 is 2251545646.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6465451523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39793 + ... + 120475.

It is an arithmetic number, because the mean of its divisors is an integer number (613601820).

Almost surely, 2^6465451522 is an apocalyptic number.

6465451522 is a deficient number, since it is larger than the sum of its proper divisors (3352177598).

6465451522 is a wasteful number, since it uses less digits than its factorization.

6465451522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81177.

The product of its digits is 288000, while the sum is 40.

The square root of 6465451522 is about 80408.0314520882. The cubic root of 6465451522 is about 1862.9432265093.

The spelling of 6465451522 in words is "six billion, four hundred sixty-five million, four hundred fifty-one thousand, five hundred twenty-two".