394466992493 has 16 divisors (see below), whose sum is σ = 451287120384. Its totient is φ = 337763986560.

The previous prime is 394466992489. The next prime is 394466992567. The reversal of 394466992493 is 394299664493.

It is not a de Polignac number, because 394466992493 - 2² = 394466992489 is a prime.

It is a Smith number, since the sum of its digits (68) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394466992093) 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, 33178796 + ... + 33190682.

It is an arithmetic number, because the mean of its divisors is an integer number (28205445024).

Almost surely, 2^394466992493 is an apocalyptic number.

It is an amenable number.

394466992493 is a deficient number, since it is larger than the sum of its proper divisors (56820127891).

394466992493 is a wasteful number, since it uses less digits than its factorization.

394466992493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16412.

The product of its digits is 272097792, while the sum is 68.

The spelling of 394466992493 in words is "three hundred ninety-four billion, four hundred sixty-six million, nine hundred ninety-two thousand, four hundred ninety-three".