6346343467821 has 48 divisors (see below), whose sum is σ = 9854722579968. Its totient is φ = 3622279096800.

The previous prime is 6346343467819. The next prime is 6346343467847. The reversal of 6346343467821 is 1287643436436.

It is a happy number.

It is not a de Polignac number, because 6346343467821 - 2¹ = 6346343467819 is a prime.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6346343467861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 668664886 + ... + 668674376.

It is an arithmetic number, because the mean of its divisors is an integer number (205306720416).

Almost surely, 2^{6346343467821} is an apocalyptic number.

It is an amenable number.

6346343467821 is a deficient number, since it is larger than the sum of its proper divisors (3508379112147).

6346343467821 is a wasteful number, since it uses less digits than its factorization.

6346343467821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302 (or 14295 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 57.

The spelling of 6346343467821 in words is "six trillion, three hundred forty-six billion, three hundred forty-three million, four hundred sixty-seven thousand, eight hundred twenty-one".