347444552124121 has 4 divisors (see below), whose sum is σ = 355918809493044. Its totient is φ = 338970294755200.

The previous prime is 347444552124113. The next prime is 347444552124133. The reversal of 347444552124121 is 121421255444743.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 114053087230096 + 233391464894025 = 10679564^2 + 15277155^2 .

It is a cyclic number.

It is not a de Polignac number, because 347444552124121 - 2³ = 347444552124113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347444552124191) 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, 4237128684400 + ... + 4237128684481.

It is an arithmetic number, because the mean of its divisors is an integer number (88979702373261).

Almost surely, 2^{347444552124121} is an apocalyptic number.

It is an amenable number.

347444552124121 is a deficient number, since it is larger than the sum of its proper divisors (8474257368923).

347444552124121 is an equidigital number, since it uses as much as digits as its factorization.

347444552124121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474257368922.

The product of its digits is 4300800, while the sum is 49.

The spelling of 347444552124121 in words is "three hundred forty-seven trillion, four hundred forty-four billion, five hundred fifty-two million, one hundred twenty-four thousand, one hundred twenty-one".