12074646641 has 4 divisors (see below), whose sum is σ = 12074886384. Its totient is φ = 12074406900.

The previous prime is 12074646631. The next prime is 12074646667. The reversal of 12074646641 is 14664647021.

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 a de Polignac number, because none of the positive numbers 2^k-12074646641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12074646611) 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, 11915 + ... + 155856.

It is an arithmetic number, because the mean of its divisors is an integer number (3018721596).

Almost surely, 2^12074646641 is an apocalyptic number.

It is an amenable number.

12074646641 is a deficient number, since it is larger than the sum of its proper divisors (239743).

12074646641 is an equidigital number, since it uses as much as digits as its factorization.

12074646641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239742.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 12074646641 in words is "twelve billion, seventy-four million, six hundred forty-six thousand, six hundred forty-one".