394694633147 has 8 divisors (see below), whose sum is σ = 396868858320. Its totient is φ = 392524842240.

The previous prime is 394694633131. The next prime is 394694633149. The reversal of 394694633147 is 741336496493.

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 394694633147 - 2⁴ = 394694633131 is a prime.

It is a super-2 number, since 2×394694633147² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394694633149) 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, 929978 + ... + 1286175.

It is an arithmetic number, because the mean of its divisors is an integer number (49608607290).

Almost surely, 2^394694633147 is an apocalyptic number.

394694633147 is a deficient number, since it is larger than the sum of its proper divisors (2174225173).

394694633147 is a wasteful number, since it uses less digits than its factorization.

394694633147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217133.

The product of its digits is 35271936, while the sum is 59.

The spelling of 394694633147 in words is "three hundred ninety-four billion, six hundred ninety-four million, six hundred thirty-three thousand, one hundred forty-seven".