12466451643 has 8 divisors (see below), whose sum is σ = 16748821056. Its totient is φ = 8247525000.

The previous prime is 12466451639. The next prime is 12466451687. The reversal of 12466451643 is 34615466421.

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

It is not a de Polignac number, because 12466451643 - 2² = 12466451639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12466451595 and 12466451604.

It is not an unprimeable number, because it can be changed into a prime (12466451623) 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, 15860233 + ... + 15861018.

It is an arithmetic number, because the mean of its divisors is an integer number (2093602632).

Almost surely, 2^12466451643 is an apocalyptic number.

12466451643 is a deficient number, since it is larger than the sum of its proper divisors (4282369413).

12466451643 is a wasteful number, since it uses less digits than its factorization.

12466451643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31721385.

The product of its digits is 414720, while the sum is 42.

The spelling of 12466451643 in words is "twelve billion, four hundred sixty-six million, four hundred fifty-one thousand, six hundred forty-three".