349543065449 has 4 divisors (see below), whose sum is σ = 358990175364. Its totient is φ = 340095955536.

The previous prime is 349543065427. The next prime is 349543065497. The reversal of 349543065449 is 944560345943.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 237906891049 + 111636174400 = 487757^2 + 334120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349543065449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 349543065394 and 349543065403.

It is not an unprimeable number, because it can be changed into a prime (349543065149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4723554902 + ... + 4723554975.

It is an arithmetic number, because the mean of its divisors is an integer number (89747543841).

Almost surely, 2^349543065449 is an apocalyptic number.

It is an amenable number.

349543065449 is a deficient number, since it is larger than the sum of its proper divisors (9447109915).

349543065449 is an equidigital number, since it uses as much as digits as its factorization.

349543065449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447109914.

The product of its (nonzero) digits is 27993600, while the sum is 56.

The spelling of 349543065449 in words is "three hundred forty-nine billion, five hundred forty-three million, sixty-five thousand, four hundred forty-nine".