12641002643 has 8 divisors (see below), whose sum is σ = 12766572000. Its totient is φ = 12515488128.

The previous prime is 12641002631. The next prime is 12641002667. The reversal of 12641002643 is 34620014621.

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

It is a cyclic number.

It is not a de Polignac number, because 12641002643 - 2¹⁰ = 12641001619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12641002943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573083 + ... + 594731.

It is an arithmetic number, because the mean of its divisors is an integer number (1595821500).

Almost surely, 2^12641002643 is an apocalyptic number.

12641002643 is a deficient number, since it is larger than the sum of its proper divisors (125569357).

12641002643 is a wasteful number, since it uses less digits than its factorization.

12641002643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27421.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12641002643 in words is "twelve billion, six hundred forty-one million, two thousand, six hundred forty-three".