2442512789 has 4 divisors (see below), whose sum is σ = 2499315456. Its totient is φ = 2385710124.

The previous prime is 2442512777. The next prime is 2442512797. The reversal of 2442512789 is 9872152442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2442512789 - 2¹⁶ = 2442447253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442512759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28401269 + ... + 28401354.

It is an arithmetic number, because the mean of its divisors is an integer number (624828864).

Almost surely, 2^2442512789 is an apocalyptic number.

It is an amenable number.

2442512789 is a deficient number, since it is larger than the sum of its proper divisors (56802667).

2442512789 is an equidigital number, since it uses as much as digits as its factorization.

2442512789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56802666.

The product of its digits is 322560, while the sum is 44.

The square root of 2442512789 is about 49421.7845590383. The cubic root of 2442512789 is about 1346.7250823093.

The spelling of 2442512789 in words is "two billion, four hundred forty-two million, five hundred twelve thousand, seven hundred eighty-nine".