655403433054317 has 2 divisors, whose sum is σ = 655403433054318. Its totient is φ = 655403433054316.

The previous prime is 655403433054313. The next prime is 655403433054353. The reversal of 655403433054317 is 713450334304556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444810919672681 + 210592513381636 = 21090541^2 + 14511806^2 .

It is a cyclic number.

It is not a de Polignac number, because 655403433054317 - 2² = 655403433054313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655403433054313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327701716527158 + 327701716527159.

It is an arithmetic number, because the mean of its divisors is an integer number (327701716527159).

Almost surely, 2^{655403433054317} is an apocalyptic number.

It is an amenable number.

655403433054317 is a deficient number, since it is larger than the sum of its proper divisors (1).

655403433054317 is an equidigital number, since it uses as much as digits as its factorization.

655403433054317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216000, while the sum is 53.

The spelling of 655403433054317 in words is "six hundred fifty-five trillion, four hundred three billion, four hundred thirty-three million, fifty-four thousand, three hundred seventeen".