345209703349 has 8 divisors (see below), whose sum is σ = 394666450688. Its totient is φ = 295788224880.

The previous prime is 345209703341. The next prime is 345209703361. The reversal of 345209703349 is 943307902543.

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 345209703349 - 2³ = 345209703341 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 (345209703341) 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, 8796237 + ... + 8835394.

It is an arithmetic number, because the mean of its divisors is an integer number (49333306336).

Almost surely, 2^345209703349 is an apocalyptic number.

It is an amenable number.

345209703349 is a deficient number, since it is larger than the sum of its proper divisors (49456747339).

345209703349 is a wasteful number, since it uses less digits than its factorization.

345209703349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17634435.

The product of its (nonzero) digits is 2449440, while the sum is 49.

The spelling of 345209703349 in words is "three hundred forty-five billion, two hundred nine million, seven hundred three thousand, three hundred forty-nine".