1636340402213 has 8 divisors (see below), whose sum is σ = 1793558806176. Its totient is φ = 1480532029200.

The previous prime is 1636340402143. The next prime is 1636340402297. The reversal of 1636340402213 is 3122040436361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1636340402213 - 2¹² = 1636340398117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1636340402513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352505306 + ... + 352509947.

It is an arithmetic number, because the mean of its divisors is an integer number (224194850772).

Almost surely, 2^{1636340402213} is an apocalyptic number.

It is an amenable number.

1636340402213 is a deficient number, since it is larger than the sum of its proper divisors (157218403963).

1636340402213 is a wasteful number, since it uses less digits than its factorization.

1636340402213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705015475.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 1636340402213 its reverse (3122040436361), we get a palindrome (4758380838574).

The spelling of 1636340402213 in words is "one trillion, six hundred thirty-six billion, three hundred forty million, four hundred two thousand, two hundred thirteen".