1683777070489 has 2 divisors, whose sum is σ = 1683777070490. Its totient is φ = 1683777070488.

The previous prime is 1683777070483. The next prime is 1683777070519. The reversal of 1683777070489 is 9840707773861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1683420616089 + 356454400 = 1297467^2 + 18880^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683777070489 - 2⁷ = 1683777070361 is a prime.

It is not a weakly prime, because it can be changed into another prime (1683777070483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841888535244 + 841888535245.

It is an arithmetic number, because the mean of its divisors is an integer number (841888535245).

Almost surely, 2^{1683777070489} is an apocalyptic number.

It is an amenable number.

1683777070489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683777070489 is an equidigital number, since it uses as much as digits as its factorization.

1683777070489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 99574272, while the sum is 67.

The spelling of 1683777070489 in words is "one trillion, six hundred eighty-three billion, seven hundred seventy-seven million, seventy thousand, four hundred eighty-nine".