395545644349 has 2 divisors, whose sum is σ = 395545644350. Its totient is φ = 395545644348.

The previous prime is 395545644341. The next prime is 395545644379. The reversal of 395545644349 is 943446545593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300832504324 + 94713140025 = 548482^2 + 307755^2 .

It is a cyclic number.

It is not a de Polignac number, because 395545644349 - 2³ = 395545644341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395545644341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197772822174 + 197772822175.

It is an arithmetic number, because the mean of its divisors is an integer number (197772822175).

Almost surely, 2^395545644349 is an apocalyptic number.

It is an amenable number.

395545644349 is a deficient number, since it is larger than the sum of its proper divisors (1).

395545644349 is an equidigital number, since it uses as much as digits as its factorization.

395545644349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968000, while the sum is 61.

The spelling of 395545644349 in words is "three hundred ninety-five billion, five hundred forty-five million, six hundred forty-four thousand, three hundred forty-nine".