39387981686483 has 2 divisors, whose sum is σ = 39387981686484. Its totient is φ = 39387981686482.

The previous prime is 39387981686341. The next prime is 39387981686507. The reversal of 39387981686483 is 38468618978393.

39387981686483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39387981686483 - 2⁴² = 34989935175379 is a prime.

It is not a weakly prime, because it can be changed into another prime (39387981683483) 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, 19693990843241 + 19693990843242.

It is an arithmetic number, because the mean of its divisors is an integer number (19693990843242).

Almost surely, 2^{39387981686483} is an apocalyptic number.

39387981686483 is a deficient number, since it is larger than the sum of its proper divisors (1).

39387981686483 is an equidigital number, since it uses as much as digits as its factorization.

39387981686483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9029615616, while the sum is 83.

The spelling of 39387981686483 in words is "thirty-nine trillion, three hundred eighty-seven billion, nine hundred eighty-one million, six hundred eighty-six thousand, four hundred eighty-three".