18874673562841 has 4 divisors (see below), whose sum is σ = 19483534000384. Its totient is φ = 18265813125300.

The previous prime is 18874673562791. The next prime is 18874673562847. The reversal of 18874673562841 is 14826537647881.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18874673562841 - 2⁷ = 18874673562713 is a prime.

It is a Duffinian number.

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, 304430218725 + ... + 304430218786.

It is an arithmetic number, because the mean of its divisors is an integer number (4870883500096).

Almost surely, 2^{18874673562841} is an apocalyptic number.

It is an amenable number.

18874673562841 is a deficient number, since it is larger than the sum of its proper divisors (608860437543).

18874673562841 is an equidigital number, since it uses as much as digits as its factorization.

18874673562841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608860437542.

The product of its digits is 433520640, while the sum is 70.

The spelling of 18874673562841 in words is "eighteen trillion, eight hundred seventy-four billion, six hundred seventy-three million, five hundred sixty-two thousand, eight hundred forty-one".