349885105093 has 4 divisors (see below), whose sum is σ = 350243227980. Its totient is φ = 349526982208.

The previous prime is 349885105069. The next prime is 349885105111. The reversal of 349885105093 is 390501588943.

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 311043790369 + 38841314724 = 557713^2 + 197082^2 .

It is a cyclic number.

It is not a de Polignac number, because 349885105093 - 2²⁵ = 349851550661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349885105693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179059978 + ... + 179061931.

It is an arithmetic number, because the mean of its divisors is an integer number (87560806995).

Almost surely, 2^349885105093 is an apocalyptic number.

It is an amenable number.

349885105093 is a deficient number, since it is larger than the sum of its proper divisors (358122887).

349885105093 is an equidigital number, since it uses as much as digits as its factorization.

349885105093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358122886.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 349885105093 in words is "three hundred forty-nine billion, eight hundred eighty-five million, one hundred five thousand, ninety-three".