242650679 has 2 divisors, whose sum is σ = 242650680. Its totient is φ = 242650678.

The previous prime is 242650649. The next prime is 242650687. The reversal of 242650679 is 976056242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242650679 - 2¹⁶ = 242585143 is a prime.

It is a super-2 number, since 2×242650679² = 117758704038322082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242650649) 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, 121325339 + 121325340.

It is an arithmetic number, because the mean of its divisors is an integer number (121325340).

Almost surely, 2^242650679 is an apocalyptic number.

242650679 is a deficient number, since it is larger than the sum of its proper divisors (1).

242650679 is an equidigital number, since it uses as much as digits as its factorization.

242650679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 242650679 is about 15577.2487622173. The cubic root of 242650679 is about 623.7259841919.

The spelling of 242650679 in words is "two hundred forty-two million, six hundred fifty thousand, six hundred seventy-nine".