354343405313 has 2 divisors, whose sum is σ = 354343405314. Its totient is φ = 354343405312.

The previous prime is 354343405307. The next prime is 354343405343. The reversal of 354343405313 is 313504343453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 346840900624 + 7502504689 = 588932^2 + 86617^2 .

It is a cyclic number.

It is not a de Polignac number, because 354343405313 - 2⁸ = 354343405057 is a prime.

It is not a weakly prime, because it can be changed into another prime (354343405303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177171702656 + 177171702657.

It is an arithmetic number, because the mean of its divisors is an integer number (177171702657).

Almost surely, 2^354343405313 is an apocalyptic number.

It is an amenable number.

354343405313 is a deficient number, since it is larger than the sum of its proper divisors (1).

354343405313 is an equidigital number, since it uses as much as digits as its factorization.

354343405313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 38.

Adding to 354343405313 its reverse (313504343453), we get a palindrome (667847748766).

The spelling of 354343405313 in words is "three hundred fifty-four billion, three hundred forty-three million, four hundred five thousand, three hundred thirteen".