328861360469 has 2 divisors, whose sum is σ = 328861360470. Its totient is φ = 328861360468.

The previous prime is 328861360463. The next prime is 328861360609. The reversal of 328861360469 is 964063168823.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287658450244 + 41202910225 = 536338^2 + 202985^2 .

It is a cyclic number.

It is not a de Polignac number, because 328861360469 - 2⁸ = 328861360213 is a prime.

It is a super-2 number, since 2×328861360469² (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 (328861360463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164430680234 + 164430680235.

It is an arithmetic number, because the mean of its divisors is an integer number (164430680235).

Almost surely, 2^328861360469 is an apocalyptic number.

It is an amenable number.

328861360469 is a deficient number, since it is larger than the sum of its proper divisors (1).

328861360469 is an equidigital number, since it uses as much as digits as its factorization.

328861360469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8957952, while the sum is 56.

The spelling of 328861360469 in words is "three hundred twenty-eight billion, eight hundred sixty-one million, three hundred sixty thousand, four hundred sixty-nine".