39399131383 has 2 divisors, whose sum is σ = 39399131384. Its totient is φ = 39399131382.

The previous prime is 39399131381. The next prime is 39399131411. The reversal of 39399131383 is 38313199393.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39399131383 - 2¹ = 39399131381 is a prime.

Together with 39399131381, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 39399131383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39399131381) 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, 19699565691 + 19699565692.

It is an arithmetic number, because the mean of its divisors is an integer number (19699565692).

Almost surely, 2^39399131383 is an apocalyptic number.

39399131383 is a deficient number, since it is larger than the sum of its proper divisors (1).

39399131383 is an equidigital number, since it uses as much as digits as its factorization.

39399131383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1417176, while the sum is 52.

The spelling of 39399131383 in words is "thirty-nine billion, three hundred ninety-nine million, one hundred thirty-one thousand, three hundred eighty-three".