348334225621 has 4 divisors (see below), whose sum is σ = 348336626092. Its totient is φ = 348331825152.

The previous prime is 348334225583. The next prime is 348334225637. The reversal of 348334225621 is 126522433843.

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 79402786225 + 268931439396 = 281785^2 + 518586^2 .

It is a cyclic number.

It is not a de Polignac number, because 348334225621 - 2¹⁵ = 348334192853 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 (348334225661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967530 + ... + 1277803.

It is an arithmetic number, because the mean of its divisors is an integer number (87084156523).

Almost surely, 2^348334225621 is an apocalyptic number.

It is an amenable number.

348334225621 is a deficient number, since it is larger than the sum of its proper divisors (2400471).

348334225621 is a wasteful number, since it uses less digits than its factorization.

348334225621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400470.

The product of its digits is 829440, while the sum is 43.

The spelling of 348334225621 in words is "three hundred forty-eight billion, three hundred thirty-four million, two hundred twenty-five thousand, six hundred twenty-one".