14875027721 has 2 divisors, whose sum is σ = 14875027722. Its totient is φ = 14875027720.

The previous prime is 14875027709. The next prime is 14875027747. The reversal of 14875027721 is 12772057841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12584352400 + 2290675321 = 112180^2 + 47861^2 .

It is a cyclic number.

It is not a de Polignac number, because 14875027721 - 2¹⁴ = 14875011337 is a prime.

It is not a weakly prime, because it can be changed into another prime (14875027771) by changing a digit.

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 as a sum of consecutive naturals, namely, 7437513860 + 7437513861.

It is an arithmetic number, because the mean of its divisors is an integer number (7437513861).

Almost surely, 2^14875027721 is an apocalyptic number.

It is an amenable number.

14875027721 is a deficient number, since it is larger than the sum of its proper divisors (1).

14875027721 is an equidigital number, since it uses as much as digits as its factorization.

14875027721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 219520, while the sum is 44.

The spelling of 14875027721 in words is "fourteen billion, eight hundred seventy-five million, twenty-seven thousand, seven hundred twenty-one".