2423782561 has 4 divisors (see below), whose sum is σ = 2507361300. Its totient is φ = 2340203824.

The previous prime is 2423782541. The next prime is 2423782577. The reversal of 2423782561 is 1652873242.

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 1686334225 + 737448336 = 41065^2 + 27156^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423782561 - 2¹³ = 2423774369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2423782541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41789326 + ... + 41789383.

It is an arithmetic number, because the mean of its divisors is an integer number (626840325).

Almost surely, 2^2423782561 is an apocalyptic number.

It is an amenable number.

2423782561 is a deficient number, since it is larger than the sum of its proper divisors (83578739).

2423782561 is an equidigital number, since it uses as much as digits as its factorization.

2423782561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83578738.

The product of its digits is 161280, while the sum is 40.

The square root of 2423782561 is about 49231.9262369451. The cubic root of 2423782561 is about 1343.2738248748.

The spelling of 2423782561 in words is "two billion, four hundred twenty-three million, seven hundred eighty-two thousand, five hundred sixty-one".