2442731609 has 4 divisors (see below), whose sum is σ = 2442898704. Its totient is φ = 2442564516.

The previous prime is 2442731593. The next prime is 2442731653. The reversal of 2442731609 is 9061372442.

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 2442731609 - 2⁴ = 2442731593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2442731699) 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, 59267 + ... + 91640.

It is an arithmetic number, because the mean of its divisors is an integer number (610724676).

Almost surely, 2^2442731609 is an apocalyptic number.

It is an amenable number.

2442731609 is a deficient number, since it is larger than the sum of its proper divisors (167095).

2442731609 is a wasteful number, since it uses less digits than its factorization.

2442731609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167094.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2442731609 is about 49423.9983105374. The cubic root of 2442731609 is about 1346.7652979408.

The spelling of 2442731609 in words is "two billion, four hundred forty-two million, seven hundred thirty-one thousand, six hundred nine".