354221363170453 has 2 divisors, whose sum is σ = 354221363170454. Its totient is φ = 354221363170452.

The previous prime is 354221363170399. The next prime is 354221363170457. The reversal of 354221363170453 is 354071363122453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307607330632644 + 46614032537809 = 17538738^2 + 6827447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354221363170453 is a prime.

It is a super-3 number, since 3×354221363170453³ (a number of 45 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354221363170397 and 354221363170406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354221363170457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177110681585226 + 177110681585227.

It is an arithmetic number, because the mean of its divisors is an integer number (177110681585227).

Almost surely, 2^{354221363170453} is an apocalyptic number.

It is an amenable number.

354221363170453 is a deficient number, since it is larger than the sum of its proper divisors (1).

354221363170453 is an equidigital number, since it uses as much as digits as its factorization.

354221363170453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 49.

The spelling of 354221363170453 in words is "three hundred fifty-four trillion, two hundred twenty-one billion, three hundred sixty-three million, one hundred seventy thousand, four hundred fifty-three".