6346212043393 has 2 divisors, whose sum is σ = 6346212043394. Its totient is φ = 6346212043392.

The previous prime is 6346212043361. The next prime is 6346212043417. The reversal of 6346212043393 is 3933402126436.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6344590209409 + 1621833984 = 2518847^2 + 40272^2 .

It is a cyclic number.

It is not a de Polignac number, because 6346212043393 - 2⁵ = 6346212043361 is a prime.

It is not a weakly prime, because it can be changed into another prime (6346212073393) 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 as a sum of consecutive naturals, namely, 3173106021696 + 3173106021697.

It is an arithmetic number, because the mean of its divisors is an integer number (3173106021697).

Almost surely, 2^{6346212043393} is an apocalyptic number.

It is an amenable number.

6346212043393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6346212043393 is an equidigital number, since it uses as much as digits as its factorization.

6346212043393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 46.

The spelling of 6346212043393 in words is "six trillion, three hundred forty-six billion, two hundred twelve million, forty-three thousand, three hundred ninety-three".