242669443 has 2 divisors, whose sum is σ = 242669444. Its totient is φ = 242669442.

The previous prime is 242669437. The next prime is 242669461. The reversal of 242669443 is 344966242.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242669443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242669396 and 242669405.

It is not a weakly prime, because it can be changed into another prime (242660443) 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, 121334721 + 121334722.

It is an arithmetic number, because the mean of its divisors is an integer number (121334722).

Almost surely, 2^242669443 is an apocalyptic number.

242669443 is a deficient number, since it is larger than the sum of its proper divisors (1).

242669443 is an equidigital number, since it uses as much as digits as its factorization.

242669443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 40.

The square root of 242669443 is about 15577.8510392159. The cubic root of 242669443 is about 623.7420612026.

The spelling of 242669443 in words is "two hundred forty-two million, six hundred sixty-nine thousand, four hundred forty-three".