349059943405 has 8 divisors (see below), whose sum is σ = 419118773112. Its totient is φ = 279083394048.

The previous prime is 349059943403. The next prime is 349059943447. The reversal of 349059943405 is 504349950943.

It can be written as a sum of positive squares in 4 ways, for example, as 112617963396 + 236441980009 = 335586^2 + 486253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349059943405 - 2¹ = 349059943403 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 (349059943403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20560752 + ... + 20577721.

It is an arithmetic number, because the mean of its divisors is an integer number (52389846639).

Almost surely, 2^349059943405 is an apocalyptic number.

It is an amenable number.

349059943405 is a deficient number, since it is larger than the sum of its proper divisors (70058829707).

349059943405 is a wasteful number, since it uses less digits than its factorization.

349059943405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41140175.

The product of its (nonzero) digits is 10497600, while the sum is 55.

The spelling of 349059943405 in words is "three hundred forty-nine billion, fifty-nine million, nine hundred forty-three thousand, four hundred five".