354221363170399 has 2 divisors, whose sum is σ = 354221363170400. Its totient is φ = 354221363170398.

The previous prime is 354221363170397. The next prime is 354221363170453. The reversal of 354221363170399 is 993071363122453.

It is a weak prime.

It is an emirp because it is prime and its reverse (993071363122453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354221363170399 - 2¹ = 354221363170397 is a prime.

It is a super-3 number, since 3×354221363170399³ (a number of 45 digits) contains 333 as substring.

Together with 354221363170397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354221363170397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177110681585199 + 177110681585200.

It is an arithmetic number, because the mean of its divisors is an integer number (177110681585200).

Almost surely, 2^{354221363170399} is an apocalyptic number.

354221363170399 is a deficient number, since it is larger than the sum of its proper divisors (1).

354221363170399 is an equidigital number, since it uses as much as digits as its factorization.

354221363170399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 58.

The spelling of 354221363170399 in words is "three hundred fifty-four trillion, two hundred twenty-one billion, three hundred sixty-three million, one hundred seventy thousand, three hundred ninety-nine".