321717626745046 has 24 divisors (see below), whose sum is σ = 554920223400144. Its totient is φ = 137033099401680.

The previous prime is 321717626745013. The next prime is 321717626745061. The reversal of 321717626745046 is 640547626717123.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 432083725 + ... + 432827656.

It is an arithmetic number, because the mean of its divisors is an integer number (23121675975006).

Almost surely, 2^{321717626745046} is an apocalyptic number.

321717626745046 is a deficient number, since it is larger than the sum of its proper divisors (233202596655098).

321717626745046 is an equidigital number, since it uses as much as digits as its factorization.

321717626745046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864911716 (or 864911553 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 61.

The spelling of 321717626745046 in words is "three hundred twenty-one trillion, seven hundred seventeen billion, six hundred twenty-six million, seven hundred forty-five thousand, forty-six".