348350505209 has 16 divisors (see below), whose sum is σ = 404930380800. Its totient is φ = 293476204944.

The previous prime is 348350505199. The next prime is 348350505253. The reversal of 348350505209 is 902505053843.

It is a cyclic number.

It is not a de Polignac number, because 348350505209 - 2²⁴ = 348333727993 is a prime.

It is a super-2 number, since 2×348350505209² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 348350505209.

It is not an unprimeable number, because it can be changed into a prime (348350505259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2512502 + ... + 2647520.

It is an arithmetic number, because the mean of its divisors is an integer number (25308148800).

Almost surely, 2^348350505209 is an apocalyptic number.

It is an amenable number.

348350505209 is a deficient number, since it is larger than the sum of its proper divisors (56579875591).

348350505209 is a wasteful number, since it uses less digits than its factorization.

348350505209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141332.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 348350505209 in words is "three hundred forty-eight billion, three hundred fifty million, five hundred five thousand, two hundred nine".