481517886451 has 4 divisors (see below), whose sum is σ = 550306155952. Its totient is φ = 412729616952.

The previous prime is 481517886403. The next prime is 481517886461. The reversal of 481517886451 is 154688715184.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 481517886451 - 2⁷ = 481517886323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (481517886461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34394134740 + ... + 34394134753.

It is an arithmetic number, because the mean of its divisors is an integer number (137576538988).

Almost surely, 2^481517886451 is an apocalyptic number.

481517886451 is a deficient number, since it is larger than the sum of its proper divisors (68788269501).

481517886451 is an equidigital number, since it uses as much as digits as its factorization.

481517886451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68788269500.

The product of its digits is 8601600, while the sum is 58.

The spelling of 481517886451 in words is "four hundred eighty-one billion, five hundred seventeen million, eight hundred eighty-six thousand, four hundred fifty-one".