1683770773813 has 2 divisors, whose sum is σ = 1683770773814. Its totient is φ = 1683770773812.

The previous prime is 1683770773739. The next prime is 1683770773879. The reversal of 1683770773813 is 3183770773861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1593093303684 + 90677470129 = 1262178^2 + 301127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683770773813 - 2³³ = 1675180839221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1683770773913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841885386906 + 841885386907.

It is an arithmetic number, because the mean of its divisors is an integer number (841885386907).

Almost surely, 2^{1683770773813} is an apocalyptic number.

It is an amenable number.

1683770773813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683770773813 is an equidigital number, since it uses as much as digits as its factorization.

1683770773813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24893568, while the sum is 61.

The spelling of 1683770773813 in words is "one trillion, six hundred eighty-three billion, seven hundred seventy million, seven hundred seventy-three thousand, eight hundred thirteen".