13436640346406 has 4 divisors (see below), whose sum is σ = 20154960519612. Its totient is φ = 6718320173202.

The previous prime is 13436640346369. The next prime is 13436640346417. The reversal of 13436640346406 is 60464304663431.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3359160086600 + ... + 3359160086603.

It is an arithmetic number, because the mean of its divisors is an integer number (5038740129903).

Almost surely, 2^{13436640346406} is an apocalyptic number.

13436640346406 is a deficient number, since it is larger than the sum of its proper divisors (6718320173206).

13436640346406 is an equidigital number, since it uses as much as digits as its factorization.

13436640346406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718320173205.

The product of its (nonzero) digits is 8957952, while the sum is 50.

The spelling of 13436640346406 in words is "thirteen trillion, four hundred thirty-six billion, six hundred forty million, three hundred forty-six thousand, four hundred six".