327801970273 has 2 divisors, whose sum is σ = 327801970274. Its totient is φ = 327801970272.

The previous prime is 327801970259. The next prime is 327801970387. The reversal of 327801970273 is 372079108723.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213011787024 + 114790183249 = 461532^2 + 338807^2 .

It is a cyclic number.

It is not a de Polignac number, because 327801970273 - 2³⁷ = 190363016801 is a prime.

It is not a weakly prime, because it can be changed into another prime (327801973273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163900985136 + 163900985137.

It is an arithmetic number, because the mean of its divisors is an integer number (163900985137).

Almost surely, 2^327801970273 is an apocalyptic number.

It is an amenable number.

327801970273 is a deficient number, since it is larger than the sum of its proper divisors (1).

327801970273 is an equidigital number, since it uses as much as digits as its factorization.

327801970273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 327801970273 in words is "three hundred twenty-seven billion, eight hundred one million, nine hundred seventy thousand, two hundred seventy-three".