14773485521 has 2 divisors, whose sum is σ = 14773485522. Its totient is φ = 14773485520.

The previous prime is 14773485487. The next prime is 14773485523. The reversal of 14773485521 is 12558437741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10912727296 + 3860758225 = 104464^2 + 62135^2 .

It is a cyclic number.

It is not a de Polignac number, because 14773485521 - 2²² = 14769291217 is a prime.

Together with 14773485523, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14773485523) 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, 7386742760 + 7386742761.

It is an arithmetic number, because the mean of its divisors is an integer number (7386742761).

Almost surely, 2^14773485521 is an apocalyptic number.

It is an amenable number.

14773485521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14773485521 is an equidigital number, since it uses as much as digits as its factorization.

14773485521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 47.

The spelling of 14773485521 in words is "fourteen billion, seven hundred seventy-three million, four hundred eighty-five thousand, five hundred twenty-one".