1646084310401 has 2 divisors, whose sum is σ = 1646084310402. Its totient is φ = 1646084310400.

The previous prime is 1646084310349. The next prime is 1646084310421. The reversal of 1646084310401 is 1040134806461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1367063716225 + 279020594176 = 1169215^2 + 528224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1646084310401 - 2⁶ = 1646084310337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1646084310421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 823042155200 + 823042155201.

It is an arithmetic number, because the mean of its divisors is an integer number (823042155201).

Almost surely, 2^{1646084310401} is an apocalyptic number.

It is an amenable number.

1646084310401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1646084310401 is an equidigital number, since it uses as much as digits as its factorization.

1646084310401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 1646084310401 in words is "one trillion, six hundred forty-six billion, eighty-four million, three hundred ten thousand, four hundred one".