12643851470 has 8 divisors (see below), whose sum is σ = 22758932664. Its totient is φ = 5057540584.

The previous prime is 12643851431. The next prime is 12643851523. The reversal of 12643851470 is 7415834621.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632192564 + ... + 632192583.

It is an arithmetic number, because the mean of its divisors is an integer number (2844866583).

Almost surely, 2^12643851470 is an apocalyptic number.

12643851470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12643851470 is a deficient number, since it is larger than the sum of its proper divisors (10115081194).

12643851470 is a wasteful number, since it uses less digits than its factorization.

12643851470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264385154.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 12643851470 in words is "twelve billion, six hundred forty-three million, eight hundred fifty-one thousand, four hundred seventy".