242246418577 has 2 divisors, whose sum is σ = 242246418578. Its totient is φ = 242246418576.

The previous prime is 242246418527. The next prime is 242246418629. The reversal of 242246418577 is 775814642242.

It is an a-pointer prime, because the next prime (242246418629) can be obtained adding 242246418577 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229671936081 + 12574482496 = 479241^2 + 112136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242246418577 is a prime.

It is not a weakly prime, because it can be changed into another prime (242246418527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121123209288 + 121123209289.

It is an arithmetic number, because the mean of its divisors is an integer number (121123209289).

Almost surely, 2^242246418577 is an apocalyptic number.

It is an amenable number.

242246418577 is a deficient number, since it is larger than the sum of its proper divisors (1).

242246418577 is an equidigital number, since it uses as much as digits as its factorization.

242246418577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6021120, while the sum is 52.

The spelling of 242246418577 in words is "two hundred forty-two billion, two hundred forty-six million, four hundred eighteen thousand, five hundred seventy-seven".