354206818117 has 2 divisors, whose sum is σ = 354206818118. Its totient is φ = 354206818116.

The previous prime is 354206818103. The next prime is 354206818201. The reversal of 354206818117 is 711818602453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193077632836 + 161129185281 = 439406^2 + 401409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354206818117 is a prime.

It is a super-3 number, since 3×354206818117³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354206810117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177103409058 + 177103409059.

It is an arithmetic number, because the mean of its divisors is an integer number (177103409059).

Almost surely, 2^354206818117 is an apocalyptic number.

It is an amenable number.

354206818117 is a deficient number, since it is larger than the sum of its proper divisors (1).

354206818117 is an equidigital number, since it uses as much as digits as its factorization.

354206818117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 354206818117 in words is "three hundred fifty-four billion, two hundred six million, eight hundred eighteen thousand, one hundred seventeen".