396744727447693 has 8 divisors (see below), whose sum is σ = 408214284654176. Its totient is φ = 385377121861200.

The previous prime is 396744727447681. The next prime is 396744727447727.

396744727447693 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 396744727447693 - 2¹⁷ = 396744727316621 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 (396744727447993) 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 7 ways as a sum of consecutive naturals, for example, 25487897103 + ... + 25487912668.

It is an arithmetic number, because the mean of its divisors is an integer number (51026785581772).

Almost surely, 2^{396744727447693} is an apocalyptic number.

It is an amenable number.

396744727447693 is a deficient number, since it is larger than the sum of its proper divisors (11469557206483).

396744727447693 is a wasteful number, since it uses less digits than its factorization.

396744727447693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50975809995.

The product of its digits is 32262064128, while the sum is 82.

The spelling of 396744727447693 in words is "three hundred ninety-six trillion, seven hundred forty-four billion, seven hundred twenty-seven million, four hundred forty-seven thousand, six hundred ninety-three".