813284492484 has 24 divisors (see below), whose sum is σ = 1938039643008. Its totient is φ = 265326855520.

The previous prime is 813284492441. The next prime is 813284492491. The reversal of 813284492484 is 484294482318.

It is a super-2 number, since 2×813284492484² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720996327 + ... + 720997454.

It is an arithmetic number, because the mean of its divisors is an integer number (80751651792).

Almost surely, 2^813284492484 is an apocalyptic number.

It is an amenable number.

813284492484 is an abundant number, since it is smaller than the sum of its proper divisors (1124755150524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813284492484 is a wasteful number, since it uses less digits than its factorization.

813284492484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441993835 (or 1441993833 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 57.

The spelling of 813284492484 in words is "eight hundred thirteen billion, two hundred eighty-four million, four hundred ninety-two thousand, four hundred eighty-four".