18935063069994 has 16 divisors (see below), whose sum is σ = 42077917933440. Its totient is φ = 6311687689980.

The previous prime is 18935063069971. The next prime is 18935063070013. The reversal of 18935063069994 is 49996036053981.

18935063069994 is a `hidden beast` number, since 1 + 89 + 3 + 506 + 30 + 6 + 9 + 9 + 9 + 4 = 666.

It is a super-2 number, since 2×18935063069994² (a number of 27 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, 175324658002 + ... + 175324658109.

It is an arithmetic number, because the mean of its divisors is an integer number (2629869870840).

Almost surely, 2^{18935063069994} is an apocalyptic number.

18935063069994 is an abundant number, since it is smaller than the sum of its proper divisors (23142854863446).

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

18935063069994 is a wasteful number, since it uses less digits than its factorization.

18935063069994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350649316122 (or 350649316116 counting only the distinct ones).

The product of its (nonzero) digits is 340122240, while the sum is 72.

The spelling of 18935063069994 in words is "eighteen trillion, nine hundred thirty-five billion, sixty-three million, sixty-nine thousand, nine hundred ninety-four".