46393678818 has 12 divisors (see below), whose sum is σ = 100519637478. Its totient is φ = 15464559600.

The previous prime is 46393678769. The next prime is 46393678819. The reversal of 46393678818 is 81887639364.

46393678818 is a `hidden beast` number, since 463 + 93 + 6 + 7 + 8 + 81 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45613426329 + 780252489 = 213573^2 + 27933^2 .

It is not an unprimeable number, because it can be changed into a prime (46393678819) 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, 1288713283 + ... + 1288713318.

Almost surely, 2^46393678818 is an apocalyptic number.

46393678818 is an abundant number, since it is smaller than the sum of its proper divisors (54125958660).

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

46393678818 is a wasteful number, since it uses less digits than its factorization.

46393678818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577426609 (or 2577426606 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 46393678818 in words is "forty-six billion, three hundred ninety-three million, six hundred seventy-eight thousand, eight hundred eighteen".