242929619 has 4 divisors (see below), whose sum is σ = 246257496. Its totient is φ = 239601744.

The previous prime is 242929591. The next prime is 242929637. The reversal of 242929619 is 916929242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242929619 is a prime.

It is a super-2 number, since 2×242929619² = 118029599574970322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242929619.

It is not an unprimeable number, because it can be changed into a prime (242929639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1663829 + ... + 1663974.

It is an arithmetic number, because the mean of its divisors is an integer number (61564374).

Almost surely, 2^242929619 is an apocalyptic number.

242929619 is a deficient number, since it is larger than the sum of its proper divisors (3327877).

242929619 is an equidigital number, since it uses as much as digits as its factorization.

242929619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327876.

The product of its digits is 139968, while the sum is 44.

The square root of 242929619 is about 15586.1996330087. The cubic root of 242929619 is about 623.9648948515.

It can be divided in two parts, 242929 and 619, that multiplied together give a palindrome (150373051).

The spelling of 242929619 in words is "two hundred forty-two million, nine hundred twenty-nine thousand, six hundred nineteen".