328434151649 has 2 divisors, whose sum is σ = 328434151650. Its totient is φ = 328434151648.

The previous prime is 328434151627. The next prime is 328434151687. The reversal of 328434151649 is 946151434823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205911750625 + 122522401024 = 453775^2 + 350032^2 .

It is a cyclic number.

It is not a de Polignac number, because 328434151649 - 2²⁰ = 328433103073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 328434151597 and 328434151606.

It is not a weakly prime, because it can be changed into another prime (328434159649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164217075824 + 164217075825.

It is an arithmetic number, because the mean of its divisors is an integer number (164217075825).

Almost surely, 2^328434151649 is an apocalyptic number.

It is an amenable number.

328434151649 is a deficient number, since it is larger than the sum of its proper divisors (1).

328434151649 is an equidigital number, since it uses as much as digits as its factorization.

328434151649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2488320, while the sum is 50.

The spelling of 328434151649 in words is "three hundred twenty-eight billion, four hundred thirty-four million, one hundred fifty-one thousand, six hundred forty-nine".