1646303227313 has 2 divisors, whose sum is σ = 1646303227314. Its totient is φ = 1646303227312.

The previous prime is 1646303227307. The next prime is 1646303227357. The reversal of 1646303227313 is 3137223036461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915290197264 + 731013030049 = 956708^2 + 854993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1646303227313 - 2⁸ = 1646303227057 is a prime.

It is a super-3 number, since 3×1646303227313³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1646303227213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 823151613656 + 823151613657.

It is an arithmetic number, because the mean of its divisors is an integer number (823151613657).

Almost surely, 2^{1646303227313} is an apocalyptic number.

It is an amenable number.

1646303227313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1646303227313 is an equidigital number, since it uses as much as digits as its factorization.

1646303227313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 41.

The spelling of 1646303227313 in words is "one trillion, six hundred forty-six billion, three hundred three million, two hundred twenty-seven thousand, three hundred thirteen".