4509252782881 has 16 divisors (see below), whose sum is σ = 5621988769920. Its totient is φ = 3513663953280.

The previous prime is 4509252782873. The next prime is 4509252782893. The reversal of 4509252782881 is 1882872529054.

It is a cyclic number.

It is not a de Polignac number, because 4509252782881 - 2³ = 4509252782873 is a prime.

It is a super-2 number, since 2×4509252782881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4509252782851) 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 15 ways as a sum of consecutive naturals, for example, 7883935 + ... + 8436523.

It is an arithmetic number, because the mean of its divisors is an integer number (351374298120).

Almost surely, 2^{4509252782881} is an apocalyptic number.

It is an amenable number.

4509252782881 is a deficient number, since it is larger than the sum of its proper divisors (1112735987039).

4509252782881 is a wasteful number, since it uses less digits than its factorization.

4509252782881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658584.

The product of its (nonzero) digits is 25804800, while the sum is 61.

The spelling of 4509252782881 in words is "four trillion, five hundred nine billion, two hundred fifty-two million, seven hundred eighty-two thousand, eight hundred eighty-one".