354513314353321 has 2 divisors, whose sum is σ = 354513314353322. Its totient is φ = 354513314353320.

The previous prime is 354513314353283. The next prime is 354513314353349. The reversal of 354513314353321 is 123353413315453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 255232735760025 + 99280578593296 = 15976005^2 + 9963964^2 .

It is a cyclic number.

It is not a de Polignac number, because 354513314353321 - 2⁹ = 354513314352809 is a prime.

It is not a weakly prime, because it can be changed into another prime (354513314353421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177256657176660 + 177256657176661.

It is an arithmetic number, because the mean of its divisors is an integer number (177256657176661).

Almost surely, 2^{354513314353321} is an apocalyptic number.

It is an amenable number.

354513314353321 is a deficient number, since it is larger than the sum of its proper divisors (1).

354513314353321 is an equidigital number, since it uses as much as digits as its factorization.

354513314353321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916000, while the sum is 46.

Adding to 354513314353321 its reverse (123353413315453), we get a palindrome (477866727668774).

The spelling of 354513314353321 in words is "three hundred fifty-four trillion, five hundred thirteen billion, three hundred fourteen million, three hundred fifty-three thousand, three hundred twenty-one".