355504444224109 has 2 divisors, whose sum is σ = 355504444224110. Its totient is φ = 355504444224108.

The previous prime is 355504444224067. The next prime is 355504444224131. The reversal of 355504444224109 is 901422444405553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 227792521283209 + 127711922940900 = 15092797^2 + 11300970^2 .

It is a cyclic number.

It is not a de Polignac number, because 355504444224109 - 2⁹ = 355504444223597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355504444224179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177752222112054 + 177752222112055.

It is an arithmetic number, because the mean of its divisors is an integer number (177752222112055).

Almost surely, 2^{355504444224109} is an apocalyptic number.

It is an amenable number.

355504444224109 is a deficient number, since it is larger than the sum of its proper divisors (1).

355504444224109 is an equidigital number, since it uses as much as digits as its factorization.

355504444224109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824000, while the sum is 52.

The spelling of 355504444224109 in words is "three hundred fifty-five trillion, five hundred four billion, four hundred forty-four million, two hundred twenty-four thousand, one hundred nine".