1683707089 has 9 divisors (see below), whose sum is σ = 1732004337. Its totient is φ = 1636724304.

The previous prime is 1683707087. The next prime is 1683707101. The reversal of 1683707089 is 9807073861.

The square root of 1683707089 is 41033.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 68310225 + 1615396864 = 8265^2 + 40192^2 .

It is not a de Polignac number, because 1683707089 - 2¹ = 1683707087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1683707087) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1517667 + ... + 1518775.

Almost surely, 2^1683707089 is an apocalyptic number.

1683707089 is the 41033-rd square number.

1683707089 is the 20517-th centered octagonal number.

It is an amenable number.

1683707089 is a deficient number, since it is larger than the sum of its proper divisors (48297248).

1683707089 is an frugal number, since it uses more digits than its factorization.

1683707089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The cubic root of 1683707089 is about 1189.6581389774.

Multiplying 1683707089 by its sum of digits (49), we get a square (82501647361 = 287231²).

The spelling of 1683707089 in words is "one billion, six hundred eighty-three million, seven hundred seven thousand, eighty-nine".