18874673562842 has 8 divisors (see below), whose sum is σ = 28318639252032. Its totient is φ = 9435127145500.

The previous prime is 18874673562791. The next prime is 18874673562847. The reversal of 18874673562842 is 24826537647881.

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

It is not an unprimeable number, because it can be changed into a prime (18874673562847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104807284 + ... + 1104824367.

It is an arithmetic number, because the mean of its divisors is an integer number (3539829906504).

Almost surely, 2^{18874673562842} is an apocalyptic number.

18874673562842 is a deficient number, since it is larger than the sum of its proper divisors (9443965689190).

18874673562842 is a wasteful number, since it uses less digits than its factorization.

18874673562842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209635924.

The product of its digits is 867041280, while the sum is 71.

The spelling of 18874673562842 in words is "eighteen trillion, eight hundred seventy-four billion, six hundred seventy-three million, five hundred sixty-two thousand, eight hundred forty-two".