393000000847 has 2 divisors, whose sum is σ = 393000000848. Its totient is φ = 393000000846.

The previous prime is 393000000823. The next prime is 393000000923. The reversal of 393000000847 is 748000000393.

It is a weak prime.

It is an emirp because it is prime and its reverse (748000000393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 393000000847 - 2¹¹ = 392999998799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (393000000247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196500000423 + 196500000424.

It is an arithmetic number, because the mean of its divisors is an integer number (196500000424).

Almost surely, 2^393000000847 is an apocalyptic number.

393000000847 is a deficient number, since it is larger than the sum of its proper divisors (1).

393000000847 is an equidigital number, since it uses as much as digits as its factorization.

393000000847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 393000000847 in words is "three hundred ninety-three billion, eight hundred forty-seven", and thus it is an aban number.