2442269561 has 4 divisors (see below), whose sum is σ = 2451348900. Its totient is φ = 2433190224.

The previous prime is 2442269527. The next prime is 2442269569. The reversal of 2442269561 is 1659622442.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1510799161 + 931470400 = 38869^2 + 30520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2442269561 - 2¹⁰ = 2442268537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2442269569) 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, 4539266 + ... + 4539803.

It is an arithmetic number, because the mean of its divisors is an integer number (612837225).

Almost surely, 2^2442269561 is an apocalyptic number.

It is an amenable number.

2442269561 is a deficient number, since it is larger than the sum of its proper divisors (9079339).

2442269561 is an equidigital number, since it uses as much as digits as its factorization.

2442269561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079338.

The product of its digits is 207360, while the sum is 41.

The square root of 2442269561 is about 49419.3237610552. The cubic root of 2442269561 is about 1346.6803780572.

The spelling of 2442269561 in words is "two billion, four hundred forty-two million, two hundred sixty-nine thousand, five hundred sixty-one".