12643460651 has 8 divisors (see below), whose sum is σ = 12703011840. Its totient is φ = 12583965352.

The previous prime is 12643460593. The next prime is 12643460653. The reversal of 12643460651 is 15606434621.

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 12643460651 - 2¹⁴ = 12643444267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12643460653) 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, 480236 + ... + 505878.

It is an arithmetic number, because the mean of its divisors is an integer number (1587876480).

Almost surely, 2^12643460651 is an apocalyptic number.

12643460651 is a deficient number, since it is larger than the sum of its proper divisors (59551189).

12643460651 is a wasteful number, since it uses less digits than its factorization.

12643460651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27945.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 12643460651 in words is "twelve billion, six hundred forty-three million, four hundred sixty thousand, six hundred fifty-one".