394606449297 has 6 divisors (see below), whose sum is σ = 569987093442. Its totient is φ = 263070966192.

The previous prime is 394606449257. The next prime is 394606449323. The reversal of 394606449297 is 792944606493.

394606449297 is a `hidden beast` number, since 394 + 60 + 64 + 49 + 2 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 210042556416 + 184563892881 = 458304^2 + 429609^2 .

It is not a de Polignac number, because 394606449297 - 2⁶ = 394606449233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (394606449257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21922580508 + ... + 21922580525.

It is an arithmetic number, because the mean of its divisors is an integer number (94997848907).

Almost surely, 2^394606449297 is an apocalyptic number.

It is an amenable number.

394606449297 is a deficient number, since it is larger than the sum of its proper divisors (175380644145).

394606449297 is a wasteful number, since it uses less digits than its factorization.

394606449297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43845161039 (or 43845161036 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 394606449297 in words is "three hundred ninety-four billion, six hundred six million, four hundred forty-nine thousand, two hundred ninety-seven".