11874434641 has 4 divisors (see below), whose sum is σ = 12390714432. Its totient is φ = 11358154852.

The previous prime is 11874434623. The next prime is 11874434681. The reversal of 11874434641 is 14643447811.

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 11874434641 - 2¹¹ = 11874432593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11874434681) 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, 258139861 + ... + 258139906.

It is an arithmetic number, because the mean of its divisors is an integer number (3097678608).

Almost surely, 2^11874434641 is an apocalyptic number.

It is an amenable number.

11874434641 is a deficient number, since it is larger than the sum of its proper divisors (516279791).

11874434641 is an equidigital number, since it uses as much as digits as its factorization.

11874434641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516279790.

The product of its digits is 258048, while the sum is 43.

The spelling of 11874434641 in words is "eleven billion, eight hundred seventy-four million, four hundred thirty-four thousand, six hundred forty-one".