12868037651 has 4 divisors (see below), whose sum is σ = 14706328752. Its totient is φ = 11029746552.

The previous prime is 12868037573. The next prime is 12868037671. The reversal of 12868037651 is 15673086821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12868037651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12868037596 and 12868037605.

It is not an unprimeable number, because it can be changed into a prime (12868037671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919145540 + ... + 919145553.

It is an arithmetic number, because the mean of its divisors is an integer number (3676582188).

Almost surely, 2^12868037651 is an apocalyptic number.

12868037651 is a deficient number, since it is larger than the sum of its proper divisors (1838291101).

12868037651 is an equidigital number, since it uses as much as digits as its factorization.

12868037651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838291100.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 12868037651 in words is "twelve billion, eight hundred sixty-eight million, thirty-seven thousand, six hundred fifty-one".