242040410569 has 2 divisors, whose sum is σ = 242040410570. Its totient is φ = 242040410568.

The previous prime is 242040410531. The next prime is 242040410627. The reversal of 242040410569 is 965014040242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143347046544 + 98693364025 = 378612^2 + 314155^2 .

It is a cyclic number.

It is not a de Polignac number, because 242040410569 - 2¹³ = 242040402377 is a prime.

It is a super-2 number, since 2×242040410569² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (242040410669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121020205284 + 121020205285.

It is an arithmetic number, because the mean of its divisors is an integer number (121020205285).

Almost surely, 2^242040410569 is an apocalyptic number.

It is an amenable number.

242040410569 is a deficient number, since it is larger than the sum of its proper divisors (1).

242040410569 is an equidigital number, since it uses as much as digits as its factorization.

242040410569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 242040410569 in words is "two hundred forty-two billion, forty million, four hundred ten thousand, five hundred sixty-nine".