14556735521 has 2 divisors, whose sum is σ = 14556735522. Its totient is φ = 14556735520.

The previous prime is 14556735481. The next prime is 14556735553. The reversal of 14556735521 is 12553765541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12953854225 + 1602881296 = 113815^2 + 40036^2 .

It is a cyclic number.

It is not a de Polignac number, because 14556735521 - 2¹⁰ = 14556734497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (14556735421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7278367760 + 7278367761.

It is an arithmetic number, because the mean of its divisors is an integer number (7278367761).

Almost surely, 2^14556735521 is an apocalyptic number.

It is an amenable number.

14556735521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14556735521 is an equidigital number, since it uses as much as digits as its factorization.

14556735521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630000, while the sum is 44.

The spelling of 14556735521 in words is "fourteen billion, five hundred fifty-six million, seven hundred thirty-five thousand, five hundred twenty-one".