13634687693629 has 2 divisors, whose sum is σ = 13634687693630. Its totient is φ = 13634687693628.

The previous prime is 13634687693609. The next prime is 13634687693771. The reversal of 13634687693629 is 92639678643631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11264313375225 + 2370374318404 = 3356235^2 + 1539602^2 .

It is a cyclic number.

It is not a de Polignac number, because 13634687693629 - 2¹⁵ = 13634687660861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13634687693609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6817343846814 + 6817343846815.

It is an arithmetic number, because the mean of its divisors is an integer number (6817343846815).

Almost surely, 2^{13634687693629} is an apocalyptic number.

It is an amenable number.

13634687693629 is a deficient number, since it is larger than the sum of its proper divisors (1).

13634687693629 is an equidigital number, since it uses as much as digits as its factorization.

13634687693629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1269789696, while the sum is 73.

The spelling of 13634687693629 in words is "thirteen trillion, six hundred thirty-four billion, six hundred eighty-seven million, six hundred ninety-three thousand, six hundred twenty-nine".