485438583915 has 24 divisors (see below), whose sum is σ = 841733178000. Its totient is φ = 258806332224.

The previous prime is 485438583859. The next prime is 485438583919. The reversal of 485438583915 is 519385834584.

485438583915 is a `hidden beast` number, since 4 + 8 + 5 + 4 + 38 + 583 + 9 + 15 = 666.

It is not a de Polignac number, because 485438583915 - 2¹² = 485438579819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (485438583919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1838377 + ... + 2085786.

It is an arithmetic number, because the mean of its divisors is an integer number (35072215750).

Almost surely, 2^485438583915 is an apocalyptic number.

485438583915 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

485438583915 is a deficient number, since it is larger than the sum of its proper divisors (356294594085).

485438583915 is a wasteful number, since it uses less digits than its factorization.

485438583915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926923 (or 3926920 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 63.

The spelling of 485438583915 in words is "four hundred eighty-five billion, four hundred thirty-eight million, five hundred eighty-three thousand, nine hundred fifteen".