413681818508 has 18 divisors (see below), whose sum is σ = 842137988076. Its totient is φ = 177292207848.

The previous prime is 413681818507. The next prime is 413681818519. The reversal of 413681818508 is 805818186314.

It is a super-2 number, since 2×413681818508² (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 413681818508.

It is not an unprimeable number, because it can be changed into a prime (413681818507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1055310566 + ... + 1055310957.

It is an arithmetic number, because the mean of its divisors is an integer number (46785443782).

Almost surely, 2^413681818508 is an apocalyptic number.

It is an amenable number.

413681818508 is an abundant number, since it is smaller than the sum of its proper divisors (428456169568).

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

413681818508 is a wasteful number, since it uses less digits than its factorization.

413681818508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110621541 (or 2110621532 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 53.

The spelling of 413681818508 in words is "four hundred thirteen billion, six hundred eighty-one million, eight hundred eighteen thousand, five hundred eight".