328916270129 has 2 divisors, whose sum is σ = 328916270130. Its totient is φ = 328916270128.

The previous prime is 328916270047. The next prime is 328916270171. The reversal of 328916270129 is 921072619823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241449390625 + 87466879504 = 491375^2 + 295748^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-328916270129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (328916260129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164458135064 + 164458135065.

It is an arithmetic number, because the mean of its divisors is an integer number (164458135065).

Almost surely, 2^328916270129 is an apocalyptic number.

It is an amenable number.

328916270129 is a deficient number, since it is larger than the sum of its proper divisors (1).

328916270129 is an equidigital number, since it uses as much as digits as its factorization.

328916270129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 328916270129 in words is "three hundred twenty-eight billion, nine hundred sixteen million, two hundred seventy thousand, one hundred twenty-nine".