395449148673 has 12 divisors (see below), whose sum is σ = 586642281108. Its totient is φ = 256507555680.

The previous prime is 395449148671. The next prime is 395449148687. The reversal of 395449148673 is 376841944593.

395449148673 is a `hidden beast` number, since 3 + 9 + 544 + 9 + 1 + 4 + 86 + 7 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 154517389569 + 240931759104 = 393087^2 + 490848^2 .

It is not a de Polignac number, because 395449148673 - 2¹ = 395449148671 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 395449148673.

It is not an unprimeable number, because it can be changed into a prime (395449148671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 593767158 + ... + 593767823.

It is an arithmetic number, because the mean of its divisors is an integer number (48886856759).

Almost surely, 2^395449148673 is an apocalyptic number.

It is an amenable number.

395449148673 is a deficient number, since it is larger than the sum of its proper divisors (191193132435).

395449148673 is a wasteful number, since it uses less digits than its factorization.

395449148673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187535024 (or 1187535021 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 395449148673 in words is "three hundred ninety-five billion, four hundred forty-nine million, one hundred forty-eight thousand, six hundred seventy-three".