394958068747 has 4 divisors (see below), whose sum is σ = 430863347736. Its totient is φ = 359052789760.

The previous prime is 394958068733. The next prime is 394958068751. The reversal of 394958068747 is 747860859493.

It is a happy number.

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 394958068747 - 2⁷ = 394958068619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394958068787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17952639478 + ... + 17952639499.

It is an arithmetic number, because the mean of its divisors is an integer number (107715836934).

Almost surely, 2^394958068747 is an apocalyptic number.

394958068747 is a deficient number, since it is larger than the sum of its proper divisors (35905278989).

394958068747 is a wasteful number, since it uses less digits than its factorization.

394958068747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35905278988.

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 394958068747 in words is "three hundred ninety-four billion, nine hundred fifty-eight million, sixty-eight thousand, seven hundred forty-seven".