1683346081 has 2 divisors, whose sum is σ = 1683346082. Its totient is φ = 1683346080.

The previous prime is 1683346079. The next prime is 1683346099. The reversal of 1683346081 is 1806433861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1477710481 + 205635600 = 38441^2 + 14340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683346081 - 2¹ = 1683346079 is a prime.

It is a super-2 number, since 2×1683346081² = 5667308056836117122, which contains 22 as substring.

Together with 1683346079, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1683346981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841673040 + 841673041.

It is an arithmetic number, because the mean of its divisors is an integer number (841673041).

Almost surely, 2^1683346081 is an apocalyptic number.

It is an amenable number.

1683346081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683346081 is an equidigital number, since it uses as much as digits as its factorization.

1683346081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1683346081 is about 41028.6007682446. The cubic root of 1683346081 is about 1189.5731070050.

The spelling of 1683346081 in words is "one billion, six hundred eighty-three million, three hundred forty-six thousand, eighty-one".