242764467191 has 2 divisors, whose sum is σ = 242764467192. Its totient is φ = 242764467190.

The previous prime is 242764467151. The next prime is 242764467269. The reversal of 242764467191 is 191764467242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242764467191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242764467131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121382233595 + 121382233596.

It is an arithmetic number, because the mean of its divisors is an integer number (121382233596).

Almost surely, 2^242764467191 is an apocalyptic number.

242764467191 is a deficient number, since it is larger than the sum of its proper divisors (1).

242764467191 is an equidigital number, since it uses as much as digits as its factorization.

242764467191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 53.

The spelling of 242764467191 in words is "two hundred forty-two billion, seven hundred sixty-four million, four hundred sixty-seven thousand, one hundred ninety-one".