394941603347 has 4 divisors (see below), whose sum is σ = 395017427640. Its totient is φ = 394865779056.

The previous prime is 394941603257. The next prime is 394941603389. The reversal of 394941603347 is 743306149493.

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

It is a cyclic number.

It is not a de Polignac number, because 394941603347 - 2³⁰ = 393867861523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394941603547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37904333 + ... + 37914750.

It is an arithmetic number, because the mean of its divisors is an integer number (98754356910).

Almost surely, 2^394941603347 is an apocalyptic number.

394941603347 is a deficient number, since it is larger than the sum of its proper divisors (75824293).

394941603347 is an equidigital number, since it uses as much as digits as its factorization.

394941603347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75824292.

The product of its (nonzero) digits is 5878656, while the sum is 53.

The spelling of 394941603347 in words is "three hundred ninety-four billion, nine hundred forty-one million, six hundred three thousand, three hundred forty-seven".