394329425347 has 16 divisors (see below), whose sum is σ = 463337376768. Its totient is φ = 330856354080.

The previous prime is 394329425341. The next prime is 394329425407. The reversal of 394329425347 is 743524923493.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 394329425347 - 2¹⁵ = 394329392579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394329425341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770158 + ... + 1175500.

It is an arithmetic number, because the mean of its divisors is an integer number (28958586048).

Almost surely, 2^394329425347 is an apocalyptic number.

394329425347 is a deficient number, since it is larger than the sum of its proper divisors (69007951421).

394329425347 is a wasteful number, since it uses less digits than its factorization.

394329425347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412170.

The product of its digits is 19595520, while the sum is 55.

The spelling of 394329425347 in words is "three hundred ninety-four billion, three hundred twenty-nine million, four hundred twenty-five thousand, three hundred forty-seven".