394606099121 has 16 divisors (see below), whose sum is σ = 447467307840. Its totient is φ = 344972208960.

The previous prime is 394606099117. The next prime is 394606099271. The reversal of 394606099121 is 121990606493.

It is a cyclic number.

It is not a de Polignac number, because 394606099121 - 2² = 394606099117 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 394606099121.

It is not an unprimeable number, because it can be changed into a prime (394609099121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541751 + ... + 1040531.

It is an arithmetic number, because the mean of its divisors is an integer number (27966706740).

Almost surely, 2^394606099121 is an apocalyptic number.

It is an amenable number.

394606099121 is a deficient number, since it is larger than the sum of its proper divisors (52861208719).

394606099121 is a wasteful number, since it uses less digits than its factorization.

394606099121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502016.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 394606099121 in words is "three hundred ninety-four billion, six hundred six million, ninety-nine thousand, one hundred twenty-one".