1683953461 has 2 divisors, whose sum is σ = 1683953462. Its totient is φ = 1683953460.

The previous prime is 1683953431. The next prime is 1683953473. The reversal of 1683953461 is 1643593861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1319868900 + 364084561 = 36330^2 + 19081^2 .

It is a cyclic number.

It is not a de Polignac number, because 1683953461 - 2¹⁹ = 1683429173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1683953431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841976730 + 841976731.

It is an arithmetic number, because the mean of its divisors is an integer number (841976731).

Almost surely, 2^1683953461 is an apocalyptic number.

It is an amenable number.

1683953461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1683953461 is an equidigital number, since it uses as much as digits as its factorization.

1683953461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The square root of 1683953461 is about 41036.0020104298. The cubic root of 1683953461 is about 1189.7161625616.

The spelling of 1683953461 in words is "one billion, six hundred eighty-three million, nine hundred fifty-three thousand, four hundred sixty-one".