395463607813 has 2 divisors, whose sum is σ = 395463607814. Its totient is φ = 395463607812.

The previous prime is 395463607811. The next prime is 395463607817. The reversal of 395463607813 is 318706364593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385315664644 + 10147943169 = 620738^2 + 100737^2 .

It is a cyclic number.

It is not a de Polignac number, because 395463607813 - 2¹ = 395463607811 is a prime.

Together with 395463607811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395463607811) 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 as a sum of consecutive naturals, namely, 197731803906 + 197731803907.

It is an arithmetic number, because the mean of its divisors is an integer number (197731803907).

Almost surely, 2^395463607813 is an apocalyptic number.

It is an amenable number.

395463607813 is a deficient number, since it is larger than the sum of its proper divisors (1).

395463607813 is an equidigital number, since it uses as much as digits as its factorization.

395463607813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 395463607813 in words is "three hundred ninety-five billion, four hundred sixty-three million, six hundred seven thousand, eight hundred thirteen".