327201649597 has 2 divisors, whose sum is σ = 327201649598. Its totient is φ = 327201649596.

The previous prime is 327201649561. The next prime is 327201649711. The reversal of 327201649597 is 795946102723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220438701081 + 106762948516 = 469509^2 + 326746^2 .

It is a cyclic number.

It is not a de Polignac number, because 327201649597 - 2⁷ = 327201649469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (327207649597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163600824798 + 163600824799.

It is an arithmetic number, because the mean of its divisors is an integer number (163600824799).

Almost surely, 2^327201649597 is an apocalyptic number.

It is an amenable number.

327201649597 is a deficient number, since it is larger than the sum of its proper divisors (1).

327201649597 is an equidigital number, since it uses as much as digits as its factorization.

327201649597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 327201649597 in words is "three hundred twenty-seven billion, two hundred one million, six hundred forty-nine thousand, five hundred ninety-seven".