242663379 has 16 divisors (see below), whose sum is σ = 378792960. Its totient is φ = 135282240.

The previous prime is 242663359. The next prime is 242663417. The reversal of 242663379 is 973366242.

It is not a de Polignac number, because 242663379 - 2²⁰ = 241614803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242663379.

It is not an unprimeable number, because it can be changed into a prime (242663359) 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, 140059 + ... + 141780.

It is an arithmetic number, because the mean of its divisors is an integer number (23674560).

Almost surely, 2^242663379 is an apocalyptic number.

242663379 is a deficient number, since it is larger than the sum of its proper divisors (136129581).

242663379 is a wasteful number, since it uses less digits than its factorization.

242663379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281890.

The product of its digits is 326592, while the sum is 42.

The square root of 242663379 is about 15577.6564026814. The cubic root of 242663379 is about 623.7368656530.

The spelling of 242663379 in words is "two hundred forty-two million, six hundred sixty-three thousand, three hundred seventy-nine".