1689536099 has 4 divisors (see below), whose sum is σ = 1705326264. Its totient is φ = 1673745936.

The previous prime is 1689536083. The next prime is 1689536117. The reversal of 1689536099 is 9906359861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1689536099 - 2⁴ = 1689536083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1689536029) 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, 7894922 + ... + 7895135.

It is an arithmetic number, because the mean of its divisors is an integer number (426331566).

Almost surely, 2^1689536099 is an apocalyptic number.

1689536099 is a deficient number, since it is larger than the sum of its proper divisors (15790165).

1689536099 is a wasteful number, since it uses less digits than its factorization.

1689536099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15790164.

The product of its (nonzero) digits is 3149280, while the sum is 56.

The square root of 1689536099 is about 41103.9669496753. The cubic root of 1689536099 is about 1191.0294269964.

The spelling of 1689536099 in words is "one billion, six hundred eighty-nine million, five hundred thirty-six thousand, ninety-nine".