14485779317 has 2 divisors, whose sum is σ = 14485779318. Its totient is φ = 14485779316.

The previous prime is 14485779311. The next prime is 14485779359. The reversal of 14485779317 is 71397758441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11917215556 + 2568563761 = 109166^2 + 50681^2 .

It is a cyclic number.

It is not a de Polignac number, because 14485779317 - 2¹⁸ = 14485517173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14485779311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7242889658 + 7242889659.

It is an arithmetic number, because the mean of its divisors is an integer number (7242889659).

Almost surely, 2^14485779317 is an apocalyptic number.

It is an amenable number.

14485779317 is a deficient number, since it is larger than the sum of its proper divisors (1).

14485779317 is an equidigital number, since it uses as much as digits as its factorization.

14485779317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5927040, while the sum is 56.

The spelling of 14485779317 in words is "fourteen billion, four hundred eighty-five million, seven hundred seventy-nine thousand, three hundred seventeen".