84456065449 has 8 divisors (see below), whose sum is σ = 96606719360. Its totient is φ = 72326786976.

The previous prime is 84456065429. The next prime is 84456065459. The reversal of 84456065449 is 94456065448.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84456065449 - 2⁹ = 84456064937 is a prime.

It is a super-2 number, since 2×84456065449² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84456065449.

It is not an unprimeable number, because it can be changed into a prime (84456065429) 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, 5335389 + ... + 5351194.

It is an arithmetic number, because the mean of its divisors is an integer number (12075839920).

Almost surely, 2^84456065449 is an apocalyptic number.

It is an amenable number.

84456065449 is a deficient number, since it is larger than the sum of its proper divisors (12150653911).

84456065449 is a wasteful number, since it uses less digits than its factorization.

84456065449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10687719.

The product of its (nonzero) digits is 16588800, while the sum is 55.

Subtracting 84456065449 from its reverse (94456065448), we obtain a palindrome (9999999999).

The spelling of 84456065449 in words is "eighty-four billion, four hundred fifty-six million, sixty-five thousand, four hundred forty-nine".