328699140457 has 2 divisors, whose sum is σ = 328699140458. Its totient is φ = 328699140456.

The previous prime is 328699140433. The next prime is 328699140481. The reversal of 328699140457 is 754041996823.

It is a balanced prime because it is at equal distance from previous prime (328699140433) and next prime (328699140481).

It can be written as a sum of positive squares in only one way, i.e., 328425271056 + 273869401 = 573084^2 + 16549^2 .

It is a cyclic number.

It is not a de Polignac number, because 328699140457 - 2¹¹ = 328699138409 is a prime.

It is a super-2 number, since 2×328699140457² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (328699110457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164349570228 + 164349570229.

It is an arithmetic number, because the mean of its divisors is an integer number (164349570229).

It is a 2-persistent number, because it is pandigital, and so is 2⋅328699140457 = 657398280914, but 3⋅328699140457 = 986097421371 is not.

Almost surely, 2^328699140457 is an apocalyptic number.

It is an amenable number.

328699140457 is a deficient number, since it is larger than the sum of its proper divisors (1).

328699140457 is an equidigital number, since it uses as much as digits as its factorization.

328699140457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 328699140457 in words is "three hundred twenty-eight billion, six hundred ninety-nine million, one hundred forty thousand, four hundred fifty-seven".