28147129382651 has 2 divisors, whose sum is σ = 28147129382652. Its totient is φ = 28147129382650.

The previous prime is 28147129382641. The next prime is 28147129382737. The reversal of 28147129382651 is 15628392174182.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28147129382651 is a prime.

It is not a weakly prime, because it can be changed into another prime (28147129382611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14073564691325 + 14073564691326.

It is an arithmetic number, because the mean of its divisors is an integer number (14073564691326).

Almost surely, 2^{28147129382651} is an apocalyptic number.

28147129382651 is a deficient number, since it is larger than the sum of its proper divisors (1).

28147129382651 is an equidigital number, since it uses as much as digits as its factorization.

28147129382651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 59.

The spelling of 28147129382651 in words is "twenty-eight trillion, one hundred forty-seven billion, one hundred twenty-nine million, three hundred eighty-two thousand, six hundred fifty-one".