7993384077439 has 2 divisors, whose sum is σ = 7993384077440. Its totient is φ = 7993384077438.

The previous prime is 7993384077377. The next prime is 7993384077467. The reversal of 7993384077439 is 9347704833997.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7993384077439 - 2¹⁵ = 7993384044671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7993384077139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3996692038719 + 3996692038720.

It is an arithmetic number, because the mean of its divisors is an integer number (3996692038720).

Almost surely, 2^{7993384077439} is an apocalyptic number.

7993384077439 is a deficient number, since it is larger than the sum of its proper divisors (1).

7993384077439 is an equidigital number, since it uses as much as digits as its factorization.

7993384077439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864162432, while the sum is 73.

The spelling of 7993384077439 in words is "seven trillion, nine hundred ninety-three billion, three hundred eighty-four million, seventy-seven thousand, four hundred thirty-nine".