344874205821 has 8 divisors (see below), whose sum is σ = 461468689344. Its totient is φ = 229097929760.

The previous prime is 344874205807. The next prime is 344874205831. The reversal of 344874205821 is 128502478443.

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 344874205821 - 2⁷ = 344874205693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344874205831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204550881 + ... + 204552566.

It is an arithmetic number, because the mean of its divisors is an integer number (57683586168).

Almost surely, 2^344874205821 is an apocalyptic number.

It is an amenable number.

344874205821 is a deficient number, since it is larger than the sum of its proper divisors (116594483523).

344874205821 is a wasteful number, since it uses less digits than its factorization.

344874205821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409103731.

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 344874205821 in words is "three hundred forty-four billion, eight hundred seventy-four million, two hundred five thousand, eight hundred twenty-one".