65541083687 has 2 divisors, whose sum is σ = 65541083688. Its totient is φ = 65541083686.

The previous prime is 65541083681. The next prime is 65541083743. The reversal of 65541083687 is 78638014556.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65541083687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65541083681) 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 as a sum of consecutive naturals, namely, 32770541843 + 32770541844.

It is an arithmetic number, because the mean of its divisors is an integer number (32770541844).

Almost surely, 2^65541083687 is an apocalyptic number.

65541083687 is a deficient number, since it is larger than the sum of its proper divisors (1).

65541083687 is an equidigital number, since it uses as much as digits as its factorization.

65541083687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 65541083687 in words is "sixty-five billion, five hundred forty-one million, eighty-three thousand, six hundred eighty-seven".