394312106249 has 8 divisors (see below), whose sum is σ = 408044280000. Its totient is φ = 380588946192.

The previous prime is 394312106213. The next prime is 394312106263. The reversal of 394312106249 is 942601213493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-394312106249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (394312109249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2164349 + ... + 2339450.

It is an arithmetic number, because the mean of its divisors is an integer number (51005535000).

Almost surely, 2^394312106249 is an apocalyptic number.

It is an amenable number.

394312106249 is a deficient number, since it is larger than the sum of its proper divisors (13732173751).

394312106249 is a wasteful number, since it uses less digits than its factorization.

394312106249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506847.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 394312106249 in words is "three hundred ninety-four billion, three hundred twelve million, one hundred six thousand, two hundred forty-nine".