1682765089 has 4 divisors (see below), whose sum is σ = 1683710656. Its totient is φ = 1681819524.

The previous prime is 1682765087. The next prime is 1682765129. The reversal of 1682765089 is 9805672861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9805672861 = 1481 ⋅6620981.

It is a cyclic number.

It is not a de Polignac number, because 1682765089 - 2¹ = 1682765087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1682765083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470109 + ... + 473674.

It is an arithmetic number, because the mean of its divisors is an integer number (420927664).

Almost surely, 2^1682765089 is an apocalyptic number.

It is an amenable number.

1682765089 is a deficient number, since it is larger than the sum of its proper divisors (945567).

1682765089 is an equidigital number, since it uses as much as digits as its factorization.

1682765089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945566.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 1682765089 is about 41021.5198280122. The cubic root of 1682765089 is about 1189.4362343808.

The spelling of 1682765089 in words is "one billion, six hundred eighty-two million, seven hundred sixty-five thousand, eighty-nine".