18699212929674 has 8 divisors (see below), whose sum is σ = 37398425859360. Its totient is φ = 6233070976556.

The previous prime is 18699212929637. The next prime is 18699212929757. The reversal of 18699212929674 is 47692921299681.

It is a sphenic number, since it is the product of 3 distinct primes.

18699212929674 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 18699212929596 and 18699212929605.

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 3 ways as a sum of consecutive naturals, for example, 1558267744134 + ... + 1558267744145.

It is an arithmetic number, because the mean of its divisors is an integer number (4674803232420).

Almost surely, 2^{18699212929674} is an apocalyptic number.

18699212929674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18699212929674 is a wasteful number, since it uses less digits than its factorization.

18699212929674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116535488284.

The product of its digits is 423263232, while the sum is 75.

The spelling of 18699212929674 in words is "eighteen trillion, six hundred ninety-nine billion, two hundred twelve million, nine hundred twenty-nine thousand, six hundred seventy-four".