13830149800818 has 54 divisors (see below), whose sum is σ = 32448140381709. Its totient is φ = 4255367596272.

The previous prime is 13830149800757. The next prime is 13830149800879. The reversal of 13830149800818 is 81800894103831.

13830149800818 is a `hidden beast` number, since 138 + 3 + 0 + 1 + 498 + 0 + 0 + 8 + 18 = 666.

It is an interprime number because it is at equal distance from previous prime (13830149800757) and next prime (13830149800879).

It can be written as a sum of positive squares in 2 ways, for example, as 11825187255729 + 2004962545089 = 3438777^2 + 1415967^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2629653.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 205079221 + ... + 205146647.

Almost surely, 2^{13830149800818} is an apocalyptic number.

13830149800818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13830149800818 is an abundant number, since it is smaller than the sum of its proper divisors (18617990580891).

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

13830149800818 is an frugal number, since it uses more digits than its factorization.

13830149800818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134888 (or 67445 counting only the distinct ones).

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

The spelling of 13830149800818 in words is "thirteen trillion, eight hundred thirty billion, one hundred forty-nine million, eight hundred thousand, eight hundred eighteen".