39384948389 has 2 divisors, whose sum is σ = 39384948390. Its totient is φ = 39384948388.

The previous prime is 39384948341. The next prime is 39384948409. The reversal of 39384948389 is 98384948393.

39384948389 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 can be written as a sum of positive squares in only one way, i.e., 21647236900 + 17737711489 = 147130^2 + 133183^2 .

It is a cyclic number.

It is not a de Polignac number, because 39384948389 - 2³² = 35089981093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39384948319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19692474194 + 19692474195.

It is an arithmetic number, because the mean of its divisors is an integer number (19692474195).

Almost surely, 2^39384948389 is an apocalyptic number.

It is an amenable number.

39384948389 is a deficient number, since it is larger than the sum of its proper divisors (1).

39384948389 is an equidigital number, since it uses as much as digits as its factorization.

39384948389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161243136, while the sum is 68.

The spelling of 39384948389 in words is "thirty-nine billion, three hundred eighty-four million, nine hundred forty-eight thousand, three hundred eighty-nine".