655436707201 has 2 divisors, whose sum is σ = 655436707202. Its totient is φ = 655436707200.

The previous prime is 655436707193. The next prime is 655436707213. The reversal of 655436707201 is 102707634556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 351340707600 + 304095999601 = 592740^2 + 551449^2 .

It is a cyclic number.

It is not a de Polignac number, because 655436707201 - 2³ = 655436707193 is a prime.

It is not a weakly prime, because it can be changed into another prime (655436707241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327718353600 + 327718353601.

It is an arithmetic number, because the mean of its divisors is an integer number (327718353601).

Almost surely, 2^655436707201 is an apocalyptic number.

It is an amenable number.

655436707201 is a deficient number, since it is larger than the sum of its proper divisors (1).

655436707201 is an equidigital number, since it uses as much as digits as its factorization.

655436707201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 655436707201 in words is "six hundred fifty-five billion, four hundred thirty-six million, seven hundred seven thousand, two hundred one".