416673643361 has 2 divisors, whose sum is σ = 416673643362. Its totient is φ = 416673643360.

The previous prime is 416673643357. The next prime is 416673643381. The reversal of 416673643361 is 163346376614.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337045269136 + 79628374225 = 580556^2 + 282185^2 .

It is a cyclic number.

It is not a de Polignac number, because 416673643361 - 2² = 416673643357 is a prime.

It is not a weakly prime, because it can be changed into another prime (416673643381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208336821680 + 208336821681.

It is an arithmetic number, because the mean of its divisors is an integer number (208336821681).

Almost surely, 2^416673643361 is an apocalyptic number.

It is an amenable number.

416673643361 is a deficient number, since it is larger than the sum of its proper divisors (1).

416673643361 is an equidigital number, since it uses as much as digits as its factorization.

416673643361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 50.

The spelling of 416673643361 in words is "four hundred sixteen billion, six hundred seventy-three million, six hundred forty-three thousand, three hundred sixty-one".