481645331817 has 16 divisors (see below), whose sum is σ = 692319051648. Its totient is φ = 296086089600.

The previous prime is 481645331813. The next prime is 481645331861. The reversal of 481645331817 is 718133546184.

It is a happy number.

It is not a de Polignac number, because 481645331817 - 2² = 481645331813 is a prime.

It is a super-2 number, since 2×481645331817² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 481645331817.

It is not an unprimeable number, because it can be changed into a prime (481645331813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6442309 + ... + 6516642.

It is an arithmetic number, because the mean of its divisors is an integer number (43269940728).

Almost surely, 2^481645331817 is an apocalyptic number.

It is an amenable number.

481645331817 is a deficient number, since it is larger than the sum of its proper divisors (210673719831).

481645331817 is a wasteful number, since it uses less digits than its factorization.

481645331817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12959920.

The product of its digits is 1935360, while the sum is 51.

The spelling of 481645331817 in words is "four hundred eighty-one billion, six hundred forty-five million, three hundred thirty-one thousand, eight hundred seventeen".