242548370069 has 2 divisors, whose sum is σ = 242548370070. Its totient is φ = 242548370068.

The previous prime is 242548370017. The next prime is 242548370087. The reversal of 242548370069 is 960073845242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241142869969 + 1405500100 = 491063^2 + 37490^2 .

It is a cyclic number.

It is not a de Polignac number, because 242548370069 - 2²⁰ = 242547321493 is a prime.

It is a super-2 number, since 2×242548370069² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242548369999 and 242548370026.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242538370069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121274185034 + 121274185035.

It is an arithmetic number, because the mean of its divisors is an integer number (121274185035).

Almost surely, 2^242548370069 is an apocalyptic number.

It is an amenable number.

242548370069 is a deficient number, since it is larger than the sum of its proper divisors (1).

242548370069 is an equidigital number, since it uses as much as digits as its factorization.

242548370069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 242548370069 in words is "two hundred forty-two billion, five hundred forty-eight million, three hundred seventy thousand, sixty-nine".