353403145349 has 2 divisors, whose sum is σ = 353403145350. Its totient is φ = 353403145348.

The previous prime is 353403145309. The next prime is 353403145367. The reversal of 353403145349 is 943541304353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177165228100 + 176237917249 = 420910^2 + 419807^2 .

It is an emirp because it is prime and its reverse (943541304353) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353403145349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353403145309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176701572674 + 176701572675.

It is an arithmetic number, because the mean of its divisors is an integer number (176701572675).

Almost surely, 2^353403145349 is an apocalyptic number.

It is an amenable number.

353403145349 is a deficient number, since it is larger than the sum of its proper divisors (1).

353403145349 is an equidigital number, since it uses as much as digits as its factorization.

353403145349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 353403145349 in words is "three hundred fifty-three billion, four hundred three million, one hundred forty-five thousand, three hundred forty-nine".