328154465381 has 2 divisors, whose sum is σ = 328154465382. Its totient is φ = 328154465380.

The previous prime is 328154465371. The next prime is 328154465437. The reversal of 328154465381 is 183564451823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290747424100 + 37407041281 = 539210^2 + 193409^2 .

It is a cyclic number.

It is not a de Polignac number, because 328154465381 - 2²² = 328150271077 is a prime.

It is a super-3 number, since 3×328154465381³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328154465371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164077232690 + 164077232691.

It is an arithmetic number, because the mean of its divisors is an integer number (164077232691).

Almost surely, 2^328154465381 is an apocalyptic number.

It is an amenable number.

328154465381 is a deficient number, since it is larger than the sum of its proper divisors (1).

328154465381 is an equidigital number, since it uses as much as digits as its factorization.

328154465381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2764800, while the sum is 50.

The spelling of 328154465381 in words is "three hundred twenty-eight billion, one hundred fifty-four million, four hundred sixty-five thousand, three hundred eighty-one".