655523343325579 has 2 divisors, whose sum is σ = 655523343325580. Its totient is φ = 655523343325578.

The previous prime is 655523343325483. The next prime is 655523343325597. The reversal of 655523343325579 is 975523343325556.

Together with next prime (655523343325597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655523343325579 - 2⁴¹ = 653324320070027 is a prime.

It is a super-3 number, since 3×655523343325579³ (a number of 45 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (655523343325379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327761671662789 + 327761671662790.

It is an arithmetic number, because the mean of its divisors is an integer number (327761671662790).

Almost surely, 2^{655523343325579} is an apocalyptic number.

655523343325579 is a deficient number, since it is larger than the sum of its proper divisors (1).

655523343325579 is an equidigital number, since it uses as much as digits as its factorization.

655523343325579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900000, while the sum is 67.

The spelling of 655523343325579 in words is "six hundred fifty-five trillion, five hundred twenty-three billion, three hundred forty-three million, three hundred twenty-five thousand, five hundred seventy-nine".