353005420321 has 2 divisors, whose sum is σ = 353005420322. Its totient is φ = 353005420320.

The previous prime is 353005420309. The next prime is 353005420333. The reversal of 353005420321 is 123024500353.

It is a balanced prime because it is at equal distance from previous prime (353005420309) and next prime (353005420333).

It can be written as a sum of positive squares in only one way, i.e., 352941739921 + 63680400 = 594089^2 + 7980^2 .

It is an emirp because it is prime and its reverse (123024500353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 353005420321 - 2⁷ = 353005420193 is a prime.

It is a super-2 number, since 2×353005420321² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 353005420321.

It is not a weakly prime, because it can be changed into another prime (353005420351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176502710160 + 176502710161.

It is an arithmetic number, because the mean of its divisors is an integer number (176502710161).

Almost surely, 2^353005420321 is an apocalyptic number.

It is an amenable number.

353005420321 is a deficient number, since it is larger than the sum of its proper divisors (1).

353005420321 is an equidigital number, since it uses as much as digits as its factorization.

353005420321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 353005420321 its reverse (123024500353), we get a palindrome (476029920674).

The spelling of 353005420321 in words is "three hundred fifty-three billion, five million, four hundred twenty thousand, three hundred twenty-one".