396845548693 has 16 divisors (see below), whose sum is σ = 457187867136. Its totient is φ = 340925440240.

The previous prime is 396845548681. The next prime is 396845548699.

396845548693 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 396845548693 - 2²¹ = 396843451541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396845548699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9428155 + ... + 9470152.

It is an arithmetic number, because the mean of its divisors is an integer number (28574241696).

Almost surely, 2^396845548693 is an apocalyptic number.

It is an amenable number.

396845548693 is a deficient number, since it is larger than the sum of its proper divisors (60342318443).

396845548693 is a wasteful number, since it uses less digits than its factorization.

396845548693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18898424.

The product of its digits is 671846400, while the sum is 70.

It can be divided in two parts, 396845548 and 693, that added together give a square (396846241 = 19921²).

The spelling of 396845548693 in words is "three hundred ninety-six billion, eight hundred forty-five million, five hundred forty-eight thousand, six hundred ninety-three".