12641684401 has 8 divisors (see below), whose sum is σ = 13051061504. Its totient is φ = 12232406160.

The previous prime is 12641684389. The next prime is 12641684413. The reversal of 12641684401 is 10448614621.

It is an interprime number because it is at equal distance from previous prime (12641684389) and next prime (12641684413).

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 12641684401 - 2⁷ = 12641684273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12641684441) 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, 305326 + ... + 344248.

It is an arithmetic number, because the mean of its divisors is an integer number (1631382688).

Almost surely, 2^12641684401 is an apocalyptic number.

It is an amenable number.

12641684401 is a deficient number, since it is larger than the sum of its proper divisors (409377103).

12641684401 is a wasteful number, since it uses less digits than its factorization.

12641684401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49431.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 12641684401 in words is "twelve billion, six hundred forty-one million, six hundred eighty-four thousand, four hundred one".