3818421744329 has 8 divisors (see below), whose sum is σ = 4019489460000. Its totient is φ = 3617363843712.

The previous prime is 3818421744323. The next prime is 3818421744343. The reversal of 3818421744329 is 9234471248183.

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 3818421744329 - 2³⁶ = 3749702267593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3818421744323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1648424 + ... + 3217785.

It is an arithmetic number, because the mean of its divisors is an integer number (502436182500).

Almost surely, 2^{3818421744329} is an apocalyptic number.

It is an amenable number.

3818421744329 is a deficient number, since it is larger than the sum of its proper divisors (201067715671).

3818421744329 is a wasteful number, since it uses less digits than its factorization.

3818421744329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907527.

The product of its digits is 9289728, while the sum is 56.

The spelling of 3818421744329 in words is "three trillion, eight hundred eighteen billion, four hundred twenty-one million, seven hundred forty-four thousand, three hundred twenty-nine".