12603535019 has 2 divisors, whose sum is σ = 12603535020. Its totient is φ = 12603535018.

The previous prime is 12603535003. The next prime is 12603535067. The reversal of 12603535019 is 91053530621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12603535019 - 2⁴ = 12603535003 is a prime.

It is a super-2 number, since 2×12603535019² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12603535019.

It is not a weakly prime, because it can be changed into another prime (12603535079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6301767509 + 6301767510.

It is an arithmetic number, because the mean of its divisors is an integer number (6301767510).

Almost surely, 2^12603535019 is an apocalyptic number.

12603535019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12603535019 is an equidigital number, since it uses as much as digits as its factorization.

12603535019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 35.

The spelling of 12603535019 in words is "twelve billion, six hundred three million, five hundred thirty-five thousand, nineteen".