6465534447 has 8 divisors (see below), whose sum is σ = 8697002544. Its totient is φ = 4272211328.

The previous prime is 6465534419. The next prime is 6465534463. The reversal of 6465534447 is 7444355646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6465534447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6465534396 and 6465534405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465534497) 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, 9535848 + ... + 9536525.

It is an arithmetic number, because the mean of its divisors is an integer number (1087125318).

Almost surely, 2^6465534447 is an apocalyptic number.

6465534447 is a deficient number, since it is larger than the sum of its proper divisors (2231468097).

6465534447 is a wasteful number, since it uses less digits than its factorization.

6465534447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19072489.

The product of its digits is 4838400, while the sum is 48.

The square root of 6465534447 is about 80408.5471016608. The cubic root of 6465534447 is about 1862.9511910939.

The spelling of 6465534447 in words is "six billion, four hundred sixty-five million, five hundred thirty-four thousand, four hundred forty-seven".