2463781805 has 4 divisors (see below), whose sum is σ = 2956538172. Its totient is φ = 1971025440.

The previous prime is 2463781757. The next prime is 2463781807. The reversal of 2463781805 is 5081873642.

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 1290102724 + 1173679081 = 35918^2 + 34259^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2463781805 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 (2463781807) 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, 246378176 + ... + 246378185.

It is an arithmetic number, because the mean of its divisors is an integer number (739134543).

Almost surely, 2^2463781805 is an apocalyptic number.

It is an amenable number.

2463781805 is a deficient number, since it is larger than the sum of its proper divisors (492756367).

2463781805 is an equidigital number, since it uses as much as digits as its factorization.

2463781805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492756366.

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

The square root of 2463781805 is about 49636.4967035346. The cubic root of 2463781805 is about 1350.6228136765.

The spelling of 2463781805 in words is "two billion, four hundred sixty-three million, seven hundred eighty-one thousand, eight hundred five".