1682861413 has 2 divisors, whose sum is σ = 1682861414. Its totient is φ = 1682861412.

The previous prime is 1682861357. The next prime is 1682861419. The reversal of 1682861413 is 3141682861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1524277764 + 158583649 = 39042^2 + 12593^2 .

It is a cyclic number.

It is not a de Polignac number, because 1682861413 - 2²⁹ = 1145990501 is a prime.

It is a super-3 number, since 3×1682861413³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1682861419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 841430706 + 841430707.

It is an arithmetic number, because the mean of its divisors is an integer number (841430707).

Almost surely, 2^1682861413 is an apocalyptic number.

It is an amenable number.

1682861413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1682861413 is an equidigital number, since it uses as much as digits as its factorization.

1682861413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The square root of 1682861413 is about 41022.6938779013. The cubic root of 1682861413 is about 1189.4589289864.

The spelling of 1682861413 in words is "one billion, six hundred eighty-two million, eight hundred sixty-one thousand, four hundred thirteen".