394610534861 has 16 divisors (see below), whose sum is σ = 415962465600. Its totient is φ = 373317320448.

The previous prime is 394610534849. The next prime is 394610534863. The reversal of 394610534861 is 168435016493.

It is a cyclic number.

It is not a de Polignac number, because 394610534861 - 2⁶ = 394610534797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394610534863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46025171 + ... + 46033743.

It is an arithmetic number, because the mean of its divisors is an integer number (25997654100).

Almost surely, 2^394610534861 is an apocalyptic number.

It is an amenable number.

394610534861 is a deficient number, since it is larger than the sum of its proper divisors (21351930739).

394610534861 is a wasteful number, since it uses less digits than its factorization.

394610534861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11708.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 394610534861 in words is "three hundred ninety-four billion, six hundred ten million, five hundred thirty-four thousand, eight hundred sixty-one".