242749799 has 2 divisors, whose sum is σ = 242749800. Its totient is φ = 242749798.

The previous prime is 242749769. The next prime is 242749813. The reversal of 242749799 is 997947242.

242749799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242749799 - 2²⁴ = 225972583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242749799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242749709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121374899 + 121374900.

It is an arithmetic number, because the mean of its divisors is an integer number (121374900).

Almost surely, 2^242749799 is an apocalyptic number.

242749799 is a deficient number, since it is larger than the sum of its proper divisors (1).

242749799 is an equidigital number, since it uses as much as digits as its factorization.

242749799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 242749799 is about 15580.4300004846. The cubic root of 242749799 is about 623.8109009175.

The spelling of 242749799 in words is "two hundred forty-two million, seven hundred forty-nine thousand, seven hundred ninety-nine".