354516216361 has 2 divisors, whose sum is σ = 354516216362. Its totient is φ = 354516216360.

The previous prime is 354516216347. The next prime is 354516216371. The reversal of 354516216361 is 163612615453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 292686410025 + 61829806336 = 541005^2 + 248656^2 .

It is a cyclic number.

It is not a de Polignac number, because 354516216361 - 2⁷ = 354516216233 is a prime.

It is not a weakly prime, because it can be changed into another prime (354516216371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177258108180 + 177258108181.

It is an arithmetic number, because the mean of its divisors is an integer number (177258108181).

Almost surely, 2^354516216361 is an apocalyptic number.

It is an amenable number.

354516216361 is a deficient number, since it is larger than the sum of its proper divisors (1).

354516216361 is an equidigital number, since it uses as much as digits as its factorization.

354516216361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The spelling of 354516216361 in words is "three hundred fifty-four billion, five hundred sixteen million, two hundred sixteen thousand, three hundred sixty-one".