12908739553 has 2 divisors, whose sum is σ = 12908739554. Its totient is φ = 12908739552.

The previous prime is 12908739539. The next prime is 12908739563. The reversal of 12908739553 is 35593780921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8998988769 + 3909750784 = 94863^2 + 62528^2 .

It is a cyclic number.

It is not a de Polignac number, because 12908739553 - 2¹³ = 12908731361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12908739553.

It is not a weakly prime, because it can be changed into another prime (12908739563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6454369776 + 6454369777.

It is an arithmetic number, because the mean of its divisors is an integer number (6454369777).

Almost surely, 2^12908739553 is an apocalyptic number.

It is an amenable number.

12908739553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12908739553 is an equidigital number, since it uses as much as digits as its factorization.

12908739553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 12908739553 in words is "twelve billion, nine hundred eight million, seven hundred thirty-nine thousand, five hundred fifty-three".