394611193249 has 16 divisors (see below), whose sum is σ = 511237175680. Its totient is φ = 295787220480.

The previous prime is 394611193247. The next prime is 394611193271. The reversal of 394611193249 is 942391116493.

It is a cyclic number.

It is not a de Polignac number, because 394611193249 - 2¹ = 394611193247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 394611193196 and 394611193205.

It is not an unprimeable number, because it can be changed into a prime (394611193243) 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, 114113712 + ... + 114117169.

It is an arithmetic number, because the mean of its divisors is an integer number (31952323480).

Almost surely, 2^394611193249 is an apocalyptic number.

It is an amenable number.

394611193249 is a deficient number, since it is larger than the sum of its proper divisors (116625982431).

394611193249 is a wasteful number, since it uses less digits than its factorization.

394611193249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228230920.

The product of its digits is 1259712, while the sum is 52.

The spelling of 394611193249 in words is "three hundred ninety-four billion, six hundred eleven million, one hundred ninety-three thousand, two hundred forty-nine".