12603744523493 has 2 divisors, whose sum is σ = 12603744523494. Its totient is φ = 12603744523492.

The previous prime is 12603744523457. The next prime is 12603744523511. The reversal of 12603744523493 is 39432544730621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11107775805889 + 1495968717604 = 3332833^2 + 1223098^2 .

It is a cyclic number.

It is not a de Polignac number, because 12603744523493 - 2¹⁰ = 12603744522469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12603744523193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6301872261746 + 6301872261747.

It is an arithmetic number, because the mean of its divisors is an integer number (6301872261747).

Almost surely, 2^{12603744523493} is an apocalyptic number.

It is an amenable number.

12603744523493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12603744523493 is an equidigital number, since it uses as much as digits as its factorization.

12603744523493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 12603744523493 in words is "twelve trillion, six hundred three billion, seven hundred forty-four million, five hundred twenty-three thousand, four hundred ninety-three".