8465456481 has 4 divisors (see below), whose sum is σ = 11287275312. Its totient is φ = 5643637652.

The previous prime is 8465456473. The next prime is 8465456491. The reversal of 8465456481 is 1846545648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8465456481 - 2³ = 8465456473 is a prime.

It is a super-2 number, since 2×8465456481² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8465456411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410909411 + ... + 1410909416.

It is an arithmetic number, because the mean of its divisors is an integer number (2821818828).

Almost surely, 2^8465456481 is an apocalyptic number.

It is an amenable number.

8465456481 is a deficient number, since it is larger than the sum of its proper divisors (2821818831).

8465456481 is a wasteful number, since it uses less digits than its factorization.

8465456481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821818830.

The product of its digits is 3686400, while the sum is 51.

The square root of 8465456481 is about 92007.9153171074. The cubic root of 8465456481 is about 2038.0591948574.

The spelling of 8465456481 in words is "eight billion, four hundred sixty-five million, four hundred fifty-six thousand, four hundred eighty-one".