2442288789 has 6 divisors (see below), whose sum is σ = 3527750486. Its totient is φ = 1628192520.

The previous prime is 2442288773. The next prime is 2442288811. The reversal of 2442288789 is 9878822442.

It can be written as a sum of positive squares in only one way, i.e., 2424774564 + 17514225 = 49242^2 + 4185^2 .

It is not a de Polignac number, because 2442288789 - 2⁴ = 2442288773 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 (2442288689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135682702 + ... + 135682719.

Almost surely, 2^2442288789 is an apocalyptic number.

It is an amenable number.

2442288789 is a deficient number, since it is larger than the sum of its proper divisors (1085461697).

2442288789 is a wasteful number, since it uses less digits than its factorization.

2442288789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271365427 (or 271365424 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 54.

The square root of 2442288789 is about 49419.5182999592. The cubic root of 2442288789 is about 1346.6839121883.

The spelling of 2442288789 in words is "two billion, four hundred forty-two million, two hundred eighty-eight thousand, seven hundred eighty-nine".