12635153459 has 2 divisors, whose sum is σ = 12635153460. Its totient is φ = 12635153458.

The previous prime is 12635153449. The next prime is 12635153473. The reversal of 12635153459 is 95435153621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12635153459 - 2⁸ = 12635153203 is a prime.

It is not a weakly prime, because it can be changed into another prime (12635153449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6317576729 + 6317576730.

It is an arithmetic number, because the mean of its divisors is an integer number (6317576730).

Almost surely, 2^12635153459 is an apocalyptic number.

12635153459 is a deficient number, since it is larger than the sum of its proper divisors (1).

12635153459 is an equidigital number, since it uses as much as digits as its factorization.

12635153459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 44.

The spelling of 12635153459 in words is "twelve billion, six hundred thirty-five million, one hundred fifty-three thousand, four hundred fifty-nine".