328737018361 has 2 divisors, whose sum is σ = 328737018362. Its totient is φ = 328737018360.

The previous prime is 328737018283. The next prime is 328737018391. The reversal of 328737018361 is 163810737823.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284922155961 + 43814862400 = 533781^2 + 209320^2 .

It is an emirp because it is prime and its reverse (163810737823) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 328737018361 - 2⁹ = 328737017849 is a prime.

It is a super-2 number, since 2×328737018361² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (328737018391) 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, 164368509180 + 164368509181.

It is an arithmetic number, because the mean of its divisors is an integer number (164368509181).

Almost surely, 2^328737018361 is an apocalyptic number.

It is an amenable number.

328737018361 is a deficient number, since it is larger than the sum of its proper divisors (1).

328737018361 is an equidigital number, since it uses as much as digits as its factorization.

328737018361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 328737018361 in words is "three hundred twenty-eight billion, seven hundred thirty-seven million, eighteen thousand, three hundred sixty-one".