396194649313 has 2 divisors, whose sum is σ = 396194649314. Its totient is φ = 396194649312.

The previous prime is 396194649271. The next prime is 396194649349. The reversal of 396194649313 is 313946491693.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385978897984 + 10215751329 = 621272^2 + 101073^2 .

It is an emirp because it is prime and its reverse (313946491693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396194649313 is a prime.

It is not a weakly prime, because it can be changed into another prime (396194649713) 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, 198097324656 + 198097324657.

It is an arithmetic number, because the mean of its divisors is an integer number (198097324657).

Almost surely, 2^396194649313 is an apocalyptic number.

It is an amenable number.

396194649313 is a deficient number, since it is larger than the sum of its proper divisors (1).

396194649313 is an equidigital number, since it uses as much as digits as its factorization.

396194649313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11337408, while the sum is 58.

The spelling of 396194649313 in words is "three hundred ninety-six billion, one hundred ninety-four million, six hundred forty-nine thousand, three hundred thirteen".