328768927469 has 2 divisors, whose sum is σ = 328768927470. Its totient is φ = 328768927468.

The previous prime is 328768927453. The next prime is 328768927511. The reversal of 328768927469 is 964729867823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317489425444 + 11279502025 = 563462^2 + 106205^2 .

It is a cyclic number.

It is not a de Polignac number, because 328768927469 - 2⁴ = 328768927453 is a prime.

It is a super-2 number, since 2×328768927469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328768924469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164384463734 + 164384463735.

It is an arithmetic number, because the mean of its divisors is an integer number (164384463735).

Almost surely, 2^328768927469 is an apocalyptic number.

It is an amenable number.

328768927469 is a deficient number, since it is larger than the sum of its proper divisors (1).

328768927469 is an equidigital number, since it uses as much as digits as its factorization.

328768927469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 438939648, while the sum is 71.

The spelling of 328768927469 in words is "three hundred twenty-eight billion, seven hundred sixty-eight million, nine hundred twenty-seven thousand, four hundred sixty-nine".