481854729985 has 4 divisors (see below), whose sum is σ = 578225675988. Its totient is φ = 385483783984.

The previous prime is 481854729971. The next prime is 481854729991. The reversal of 481854729985 is 589927458184.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 309305047104 + 172549682881 = 556152^2 + 415391^2 .

It is a cyclic number.

It is not a de Polignac number, because 481854729985 - 2⁵ = 481854729953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 48185472994 + ... + 48185473003.

It is an arithmetic number, because the mean of its divisors is an integer number (144556418997).

Almost surely, 2^481854729985 is an apocalyptic number.

It is an amenable number.

481854729985 is a deficient number, since it is larger than the sum of its proper divisors (96370946003).

481854729985 is an equidigital number, since it uses as much as digits as its factorization.

481854729985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96370946002.

The product of its digits is 232243200, while the sum is 70.

The spelling of 481854729985 in words is "four hundred eighty-one billion, eight hundred fifty-four million, seven hundred twenty-nine thousand, nine hundred eighty-five".