39078572339 has 2 divisors, whose sum is σ = 39078572340. Its totient is φ = 39078572338.

The previous prime is 39078572321. The next prime is 39078572419. The reversal of 39078572339 is 93327587093.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39078572339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (39078572539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19539286169 + 19539286170.

It is an arithmetic number, because the mean of its divisors is an integer number (19539286170).

Almost surely, 2^39078572339 is an apocalyptic number.

39078572339 is a deficient number, since it is larger than the sum of its proper divisors (1).

39078572339 is an equidigital number, since it uses as much as digits as its factorization.

39078572339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The spelling of 39078572339 in words is "thirty-nine billion, seventy-eight million, five hundred seventy-two thousand, three hundred thirty-nine".