65873062591 has 16 divisors (see below), whose sum is σ = 78068882944. Its totient is φ = 54403221024.

The previous prime is 65873062537. The next prime is 65873062601. The reversal of 65873062591 is 19526037856.

It is a cyclic number.

It is not a de Polignac number, because 65873062591 - 2¹⁷ = 65872931519 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 (65873062291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207965 + ... + 1261318.

It is an arithmetic number, because the mean of its divisors is an integer number (4879305184).

Almost surely, 2^65873062591 is an apocalyptic number.

65873062591 is a deficient number, since it is larger than the sum of its proper divisors (12195820353).

65873062591 is a wasteful number, since it uses less digits than its factorization.

65873062591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469430.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 65873062591 in words is "sixty-five billion, eight hundred seventy-three million, sixty-two thousand, five hundred ninety-one".