19686074424412 has 48 divisors (see below), whose sum is σ = 39073944591360. Its totient is φ = 8597264428800.

The previous prime is 19686074424391. The next prime is 19686074424433. The reversal of 19686074424412 is 21442447068691.

It is an interprime number because it is at equal distance from previous prime (19686074424391) and next prime (19686074424433).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51726253 + ... + 52105444.

It is an arithmetic number, because the mean of its divisors is an integer number (814040512320).

Almost surely, 2^{19686074424412} is an apocalyptic number.

It is an amenable number.

19686074424412 is a deficient number, since it is larger than the sum of its proper divisors (19387870166948).

19686074424412 is a wasteful number, since it uses less digits than its factorization.

19686074424412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103831882 (or 103831880 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 58.

The spelling of 19686074424412 in words is "nineteen trillion, six hundred eighty-six billion, seventy-four million, four hundred twenty-four thousand, four hundred twelve".