2481285566 has 4 divisors (see below), whose sum is σ = 3721928352. Its totient is φ = 1240642782.

The previous prime is 2481285529. The next prime is 2481285589. The reversal of 2481285566 is 6655821842.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2481285566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620321390 + ... + 620321393.

It is an arithmetic number, because the mean of its divisors is an integer number (930482088).

Almost surely, 2^2481285566 is an apocalyptic number.

2481285566 is a deficient number, since it is larger than the sum of its proper divisors (1240642786).

2481285566 is a wasteful number, since it uses less digits than its factorization.

2481285566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240642785.

The product of its digits is 921600, while the sum is 47.

The square root of 2481285566 is about 49812.5041129233. The cubic root of 2481285566 is about 1353.8137366170.

The spelling of 2481285566 in words is "two billion, four hundred eighty-one million, two hundred eighty-five thousand, five hundred sixty-six".