65287984538403 has 24 divisors (see below), whose sum is σ = 103331243486016. Its totient is φ = 39394164999600.

The previous prime is 65287984538369. The next prime is 65287984538411. The reversal of 65287984538403 is 30483548978256.

65287984538403 is a `hidden beast` number, since 6 + 5 + 2 + 8 + 7 + 9 + 84 + 538 + 4 + 0 + 3 = 666.

It is not a de Polignac number, because 65287984538403 - 2¹⁰ = 65287984537379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65287984538443) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 1452564733 + ... + 1452609678.

It is an arithmetic number, because the mean of its divisors is an integer number (4305468478584).

Almost surely, 2^{65287984538403} is an apocalyptic number.

65287984538403 is a deficient number, since it is larger than the sum of its proper divisors (38043258947613).

65287984538403 is a wasteful number, since it uses less digits than its factorization.

65287984538403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905174655 (or 2905174652 counting only the distinct ones).

The product of its (nonzero) digits is 1393459200, while the sum is 72.

The spelling of 65287984538403 in words is "sixty-five trillion, two hundred eighty-seven billion, nine hundred eighty-four million, five hundred thirty-eight thousand, four hundred three".