65204045060591 has 2 divisors, whose sum is σ = 65204045060592. Its totient is φ = 65204045060590.

The previous prime is 65204045060533. The next prime is 65204045060621. The reversal of 65204045060591 is 19506054040256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65204045060591 - 2⁶ = 65204045060527 is a prime.

It is a super-2 number, since 2×65204045060591² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65204045060501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32602022530295 + 32602022530296.

It is an arithmetic number, because the mean of its divisors is an integer number (32602022530296).

Almost surely, 2^{65204045060591} is an apocalyptic number.

65204045060591 is a deficient number, since it is larger than the sum of its proper divisors (1).

65204045060591 is an equidigital number, since it uses as much as digits as its factorization.

65204045060591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 65204045060591 in words is "sixty-five trillion, two hundred four billion, forty-five million, sixty thousand, five hundred ninety-one".