242698679 has 2 divisors, whose sum is σ = 242698680. Its totient is φ = 242698678.

The previous prime is 242698663. The next prime is 242698693. The reversal of 242698679 is 976896242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242698679 - 2⁴ = 242698663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242698679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242698699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121349339 + 121349340.

It is an arithmetic number, because the mean of its divisors is an integer number (121349340).

Almost surely, 2^242698679 is an apocalyptic number.

242698679 is a deficient number, since it is larger than the sum of its proper divisors (1).

242698679 is an equidigital number, since it uses as much as digits as its factorization.

242698679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 53.

The square root of 242698679 is about 15578.7893945582. The cubic root of 242698679 is about 623.7671089801.

The spelling of 242698679 in words is "two hundred forty-two million, six hundred ninety-eight thousand, six hundred seventy-nine".