242315116639 has 2 divisors, whose sum is σ = 242315116640. Its totient is φ = 242315116638.

The previous prime is 242315116609. The next prime is 242315116669. The reversal of 242315116639 is 936611513242.

242315116639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (242315116609) and next prime (242315116669).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242315116639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242315116595 and 242315116604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242315116609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121157558319 + 121157558320.

It is an arithmetic number, because the mean of its divisors is an integer number (121157558320).

Almost surely, 2^242315116639 is an apocalyptic number.

242315116639 is a deficient number, since it is larger than the sum of its proper divisors (1).

242315116639 is an equidigital number, since it uses as much as digits as its factorization.

242315116639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 43.

The spelling of 242315116639 in words is "two hundred forty-two billion, three hundred fifteen million, one hundred sixteen thousand, six hundred thirty-nine".