394463518343 has 8 divisors (see below), whose sum is σ = 404319176016. Its totient is φ = 384619032000.

The previous prime is 394463518321. The next prime is 394463518357. The reversal of 394463518343 is 343815364493.

It is a happy number.

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

It is not a de Polignac number, because 394463518343 - 2¹⁰ = 394463517319 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 (394463518373) 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, 2721308 + ... + 2862593.

It is an arithmetic number, because the mean of its divisors is an integer number (50539897002).

Almost surely, 2^394463518343 is an apocalyptic number.

394463518343 is a deficient number, since it is larger than the sum of its proper divisors (9855657673).

394463518343 is a wasteful number, since it uses less digits than its factorization.

394463518343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585665.

The product of its digits is 11197440, while the sum is 53.

The spelling of 394463518343 in words is "three hundred ninety-four billion, four hundred sixty-three million, five hundred eighteen thousand, three hundred forty-three".