354515225224109 has 2 divisors, whose sum is σ = 354515225224110. Its totient is φ = 354515225224108.

The previous prime is 354515225224091. The next prime is 354515225224129. The reversal of 354515225224109 is 901422522515453.

Together with previous prime (354515225224091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 278939100160900 + 75576125063209 = 16701470^2 + 8693453^2 .

It is an emirp because it is prime and its reverse (901422522515453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354515225224109 - 2⁴⁴ = 336923039179693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354515225224129) 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, 177257612612054 + 177257612612055.

It is an arithmetic number, because the mean of its divisors is an integer number (177257612612055).

Almost surely, 2^{354515225224109} is an apocalyptic number.

It is an amenable number.

354515225224109 is a deficient number, since it is larger than the sum of its proper divisors (1).

354515225224109 is an equidigital number, since it uses as much as digits as its factorization.

354515225224109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 354515225224109 in words is "three hundred fifty-four trillion, five hundred fifteen billion, two hundred twenty-five million, two hundred twenty-four thousand, one hundred nine".