481502643813 has 12 divisors (see below), whose sum is σ = 695510738208. Its totient is φ = 320998569000.

The previous prime is 481502643799. The next prime is 481502643871. The reversal of 481502643813 is 318346205184.

481502643813 is a `hidden beast` number, since 4 + 8 + 1 + 5 + 0 + 264 + 381 + 3 = 666.

It is not a de Polignac number, because 481502643813 - 2¹⁷ = 481502512741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481502643883) 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 11 ways as a sum of consecutive naturals, for example, 1011688 + ... + 1409438.

It is an arithmetic number, because the mean of its divisors is an integer number (57959228184).

Almost surely, 2^481502643813 is an apocalyptic number.

It is an amenable number.

481502643813 is a deficient number, since it is larger than the sum of its proper divisors (214008094395).

481502643813 is a wasteful number, since it uses less digits than its factorization.

481502643813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532264 (or 532261 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

Adding to 481502643813 its reverse (318346205184), we get a palindrome (799848848997).

The spelling of 481502643813 in words is "four hundred eighty-one billion, five hundred two million, six hundred forty-three thousand, eight hundred thirteen".