242909049 has 16 divisors (see below), whose sum is σ = 341453952. Its totient is φ = 153297408.

The previous prime is 242909047. The next prime is 242909063. The reversal of 242909049 is 940909242.

It is not a de Polignac number, because 242909049 - 2¹ = 242909047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242908998 and 242909016.

It is not an unprimeable number, because it can be changed into a prime (242909047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11454 + ... + 24839.

It is an arithmetic number, because the mean of its divisors is an integer number (21340872).

Almost surely, 2^242909049 is an apocalyptic number.

It is an amenable number.

242909049 is a deficient number, since it is larger than the sum of its proper divisors (98544903).

242909049 is a wasteful number, since it uses less digits than its factorization.

242909049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36416.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 242909049 is about 15585.5397404132. The cubic root of 242909049 is about 623.9472830013.

The spelling of 242909049 in words is "two hundred forty-two million, nine hundred nine thousand, forty-nine".