39164339243 has 2 divisors, whose sum is σ = 39164339244. Its totient is φ = 39164339242.

The previous prime is 39164339233. The next prime is 39164339251. The reversal of 39164339243 is 34293346193.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39164339243 - 2⁸ = 39164338987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (39164339233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19582169621 + 19582169622.

It is an arithmetic number, because the mean of its divisors is an integer number (19582169622).

Almost surely, 2^39164339243 is an apocalyptic number.

39164339243 is a deficient number, since it is larger than the sum of its proper divisors (1).

39164339243 is an equidigital number, since it uses as much as digits as its factorization.

39164339243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 47.

The spelling of 39164339243 in words is "thirty-nine billion, one hundred sixty-four million, three hundred thirty-nine thousand, two hundred forty-three".