818981411364 has 36 divisors (see below), whose sum is σ = 2114249889024. Its totient is φ = 267185424432.

The previous prime is 818981411351. The next prime is 818981411449. The reversal of 818981411364 is 463114189818.

818981411364 is a `hidden beast` number, since 81 + 8 + 98 + 1 + 411 + 3 + 64 = 666.

818981411364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 818981411364.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242014092 + ... + 242017475.

It is an arithmetic number, because the mean of its divisors is an integer number (58729163584).

Almost surely, 2^818981411364 is an apocalyptic number.

It is an amenable number.

818981411364 is an abundant number, since it is smaller than the sum of its proper divisors (1295268477660).

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

818981411364 is a wasteful number, since it uses less digits than its factorization.

818981411364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484031624 (or 484031619 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 54.

The spelling of 818981411364 in words is "eight hundred eighteen billion, nine hundred eighty-one million, four hundred eleven thousand, three hundred sixty-four".