14728694917 has 2 divisors, whose sum is σ = 14728694918. Its totient is φ = 14728694916.

The previous prime is 14728694891. The next prime is 14728694933. The reversal of 14728694917 is 71949682741.

14728694917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14689682401 + 39012516 = 121201^2 + 6246^2 .

It is a cyclic number.

It is not a de Polignac number, because 14728694917 - 2¹⁵ = 14728662149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14728694947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7364347458 + 7364347459.

It is an arithmetic number, because the mean of its divisors is an integer number (7364347459).

Almost surely, 2^14728694917 is an apocalyptic number.

It is an amenable number.

14728694917 is a deficient number, since it is larger than the sum of its proper divisors (1).

14728694917 is an equidigital number, since it uses as much as digits as its factorization.

14728694917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 58.

The spelling of 14728694917 in words is "fourteen billion, seven hundred twenty-eight million, six hundred ninety-four thousand, nine hundred seventeen".