13418221444746 has 32 divisors (see below), whose sum is σ = 26930603589120. Its totient is φ = 4457074023024.

The previous prime is 13418221444729. The next prime is 13418221444759. The reversal of 13418221444746 is 64744412281431.

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 in 15 ways as a sum of consecutive naturals, for example, 1384480 + ... + 5362203.

It is an arithmetic number, because the mean of its divisors is an integer number (841581362160).

Almost surely, 2^{13418221444746} is an apocalyptic number.

13418221444746 is an abundant number, since it is smaller than the sum of its proper divisors (13512382144374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13418221444746 is a wasteful number, since it uses less digits than its factorization.

13418221444746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747850.

The product of its digits is 4128768, while the sum is 51.

The spelling of 13418221444746 in words is "thirteen trillion, four hundred eighteen billion, two hundred twenty-one million, four hundred forty-four thousand, seven hundred forty-six".