39985659383 has 2 divisors, whose sum is σ = 39985659384. Its totient is φ = 39985659382.

The previous prime is 39985659379. The next prime is 39985659401. The reversal of 39985659383 is 38395658993.

It is a weak prime.

It is an emirp because it is prime and its reverse (38395658993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39985659383 - 2² = 39985659379 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39985659283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19992829691 + 19992829692.

It is an arithmetic number, because the mean of its divisors is an integer number (19992829692).

Almost surely, 2^39985659383 is an apocalyptic number.

39985659383 is a deficient number, since it is larger than the sum of its proper divisors (1).

39985659383 is an equidigital number, since it uses as much as digits as its factorization.

39985659383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188956800, while the sum is 68.

The spelling of 39985659383 in words is "thirty-nine billion, nine hundred eighty-five million, six hundred fifty-nine thousand, three hundred eighty-three".