12635454656602 has 4 divisors (see below), whose sum is σ = 18953181984906. Its totient is φ = 6317727328300.

The previous prime is 12635454656471. The next prime is 12635454656663. The reversal of 12635454656602 is 20665645453621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10291129264441 + 2344325392161 = 3207979^2 + 1531119^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3158863664149 + ... + 3158863664152.

Almost surely, 2^{12635454656602} is an apocalyptic number.

12635454656602 is a deficient number, since it is larger than the sum of its proper divisors (6317727328304).

12635454656602 is an equidigital number, since it uses as much as digits as its factorization.

12635454656602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317727328303.

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 12635454656602 in words is "twelve trillion, six hundred thirty-five billion, four hundred fifty-four million, six hundred fifty-six thousand, six hundred two".