394239520101 has 8 divisors (see below), whose sum is σ = 600745935424. Its totient is φ = 225279725760.

The previous prime is 394239520093. The next prime is 394239520121. The reversal of 394239520101 is 101025932493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 394239520101 - 2³ = 394239520093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 394239520101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394239520121) 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, 9386655220 + ... + 9386655261.

It is an arithmetic number, because the mean of its divisors is an integer number (75093241928).

Almost surely, 2^394239520101 is an apocalyptic number.

It is an amenable number.

394239520101 is a deficient number, since it is larger than the sum of its proper divisors (206506415323).

394239520101 is a wasteful number, since it uses less digits than its factorization.

394239520101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18773310491.

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 394239520101 in words is "three hundred ninety-four billion, two hundred thirty-nine million, five hundred twenty thousand, one hundred one".