1682910189 has 20 divisors (see below), whose sum is σ = 2661860124. Its totient is φ = 1055942784.

The previous prime is 1682910179. The next prime is 1682910197. The reversal of 1682910189 is 9810192861.

It can be written as a sum of positive squares in 2 ways, for example, as 970820964 + 712089225 = 31158^2 + 26685^2 .

It is not a de Polignac number, because 1682910189 - 2⁹ = 1682909677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682910179) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 609702 + ... + 612455.

Almost surely, 2^1682910189 is an apocalyptic number.

It is an amenable number.

1682910189 is a deficient number, since it is larger than the sum of its proper divisors (978949935).

1682910189 is a wasteful number, since it uses less digits than its factorization.

1682910189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222186 (or 1222177 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 45.

The square root of 1682910189 is about 41023.2883738006. The cubic root of 1682910189 is about 1189.4704206216.

The spelling of 1682910189 in words is "one billion, six hundred eighty-two million, nine hundred ten thousand, one hundred eighty-nine".