394629228973 has 8 divisors (see below), whose sum is σ = 451013226560. Its totient is φ = 338247329760.

The previous prime is 394629228971. The next prime is 394629228979. The reversal of 394629228973 is 379822926493.

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 394629228973 - 2¹ = 394629228971 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 (394629228971) 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, 98523 + ... + 893848.

It is an arithmetic number, because the mean of its divisors is an integer number (56376653320).

Almost surely, 2^394629228973 is an apocalyptic number.

It is an amenable number.

394629228973 is a deficient number, since it is larger than the sum of its proper divisors (56383997587).

394629228973 is an equidigital number, since it uses as much as digits as its factorization.

394629228973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049187.

The product of its digits is 70543872, while the sum is 64.

The spelling of 394629228973 in words is "three hundred ninety-four billion, six hundred twenty-nine million, two hundred twenty-eight thousand, nine hundred seventy-three".