348128821843 has 4 divisors (see below), whose sum is σ = 379776896568. Its totient is φ = 316480747120.

The previous prime is 348128821801. The next prime is 348128821897.

348128821843 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 348128821843 - 2¹³ = 348128813651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348128221843) 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, 15824037346 + ... + 15824037367.

It is an arithmetic number, because the mean of its divisors is an integer number (94944224142).

Almost surely, 2^348128821843 is an apocalyptic number.

348128821843 is a deficient number, since it is larger than the sum of its proper divisors (31648074725).

348128821843 is a wasteful number, since it uses less digits than its factorization.

348128821843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31648074724.

The product of its digits is 2359296, while the sum is 52.

The spelling of 348128821843 in words is "three hundred forty-eight billion, one hundred twenty-eight million, eight hundred twenty-one thousand, eight hundred forty-three".