1689283268 has 12 divisors (see below), whose sum is σ = 3130142652. Its totient is φ = 794956800.

The previous prime is 1689283249. The next prime is 1689283283. The reversal of 1689283268 is 8623829861.

It can be written as a sum of positive squares in 2 ways, for example, as 1467809344 + 221473924 = 38312^2 + 14882^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12421133 + ... + 12421268.

It is an arithmetic number, because the mean of its divisors is an integer number (260845221).

Almost surely, 2^1689283268 is an apocalyptic number.

It is an amenable number.

1689283268 is a deficient number, since it is larger than the sum of its proper divisors (1440859384).

1689283268 is a wasteful number, since it uses less digits than its factorization.

1689283268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24842422 (or 24842420 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 53.

The square root of 1689283268 is about 41100.8913285345. The cubic root of 1689283268 is about 1190.9700134128.

The spelling of 1689283268 in words is "one billion, six hundred eighty-nine million, two hundred eighty-three thousand, two hundred sixty-eight".