394037492211 has 16 divisors (see below), whose sum is σ = 636828270720. Its totient is φ = 238810601160.

The previous prime is 394037492197. The next prime is 394037492243. The reversal of 394037492211 is 112294730493.

394037492211 is a `hidden beast` number, since 394 + 0 + 3 + 7 + 49 + 2 + 211 = 666.

It is not a de Polignac number, because 394037492211 - 2¹⁰ = 394037491187 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (394037492911) 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, 663362485 + ... + 663363078.

It is an arithmetic number, because the mean of its divisors is an integer number (39801766920).

Almost surely, 2^394037492211 is an apocalyptic number.

394037492211 is a deficient number, since it is larger than the sum of its proper divisors (242790778509).

394037492211 is a wasteful number, since it uses less digits than its factorization.

394037492211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326725583 (or 1326725577 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 394037492211 in words is "three hundred ninety-four billion, thirty-seven million, four hundred ninety-two thousand, two hundred eleven".