655065564539 has 2 divisors, whose sum is σ = 655065564540. Its totient is φ = 655065564538.

The previous prime is 655065564511. The next prime is 655065564553. The reversal of 655065564539 is 935465560556.

655065564539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655065564539 - 2¹⁶ = 655065499003 is a prime.

It is a super-2 number, since 2×655065564539² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (655065564589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327532782269 + 327532782270.

It is an arithmetic number, because the mean of its divisors is an integer number (327532782270).

Almost surely, 2^655065564539 is an apocalyptic number.

655065564539 is a deficient number, since it is larger than the sum of its proper divisors (1).

655065564539 is an equidigital number, since it uses as much as digits as its factorization.

655065564539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900000, while the sum is 59.

The spelling of 655065564539 in words is "six hundred fifty-five billion, sixty-five million, five hundred sixty-four thousand, five hundred thirty-nine".