6455867865 has 8 divisors (see below), whose sum is σ = 10329388608. Its totient is φ = 3443129520.

The previous prime is 6455867833. The next prime is 6455867867. The reversal of 6455867865 is 5687685546.

It is a happy number.

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

It is not a de Polignac number, because 6455867865 - 2⁵ = 6455867833 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6455867799 and 6455867808.

It is not an unprimeable number, because it can be changed into a prime (6455867867) 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, 215195581 + ... + 215195610.

It is an arithmetic number, because the mean of its divisors is an integer number (1291173576).

Almost surely, 2^6455867865 is an apocalyptic number.

It is an amenable number.

6455867865 is a deficient number, since it is larger than the sum of its proper divisors (3873520743).

6455867865 is a wasteful number, since it uses less digits than its factorization.

6455867865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430391199.

The product of its digits is 48384000, while the sum is 60.

The square root of 6455867865 is about 80348.4154479726. The cubic root of 6455867865 is about 1862.0222989404.

The spelling of 6455867865 in words is "six billion, four hundred fifty-five million, eight hundred sixty-seven thousand, eight hundred sixty-five".