1683473861413 has 2 divisors, whose sum is σ = 1683473861414. Its totient is φ = 1683473861412.

The previous prime is 1683473861339. The next prime is 1683473861441. The reversal of 1683473861413 is 3141683743861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1664634102849 + 18839758564 = 1290207^2 + 137258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1683473861413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1683473861453) 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, 841736930706 + 841736930707.

It is an arithmetic number, because the mean of its divisors is an integer number (841736930707).

Almost surely, 2^{1683473861413} is an apocalyptic number.

It is an amenable number.

1683473861413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683473861413 is an equidigital number, since it uses as much as digits as its factorization.

1683473861413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 55.

The spelling of 1683473861413 in words is "one trillion, six hundred eighty-three billion, four hundred seventy-three million, eight hundred sixty-one thousand, four hundred thirteen".