354227344452347 has 2 divisors, whose sum is σ = 354227344452348. Its totient is φ = 354227344452346.

The previous prime is 354227344452343. The next prime is 354227344452349. The reversal of 354227344452347 is 743254443722453.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 354227344452347 - 2² = 354227344452343 is a prime.

It is a super-3 number, since 3×354227344452347³ (a number of 45 digits) contains 333 as substring.

Together with 354227344452349, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (354227344452343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177113672226173 + 177113672226174.

It is an arithmetic number, because the mean of its divisors is an integer number (177113672226174).

Almost surely, 2^{354227344452347} is an apocalyptic number.

354227344452347 is a deficient number, since it is larger than the sum of its proper divisors (1).

354227344452347 is an equidigital number, since it uses as much as digits as its factorization.

354227344452347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 270950400, while the sum is 59.

The spelling of 354227344452347 in words is "three hundred fifty-four trillion, two hundred twenty-seven billion, three hundred forty-four million, four hundred fifty-two thousand, three hundred forty-seven".