1688744482 has 8 divisors (see below), whose sum is σ = 2533335552. Its totient is φ = 844299300.

The previous prime is 1688744471. The next prime is 1688744509. The reversal of 1688744482 is 2844478861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394 + ... + 58117.

It is an arithmetic number, because the mean of its divisors is an integer number (316666944).

Almost surely, 2^1688744482 is an apocalyptic number.

1688744482 is a deficient number, since it is larger than the sum of its proper divisors (844591070).

1688744482 is a wasteful number, since it uses less digits than its factorization.

1688744482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72944.

The product of its digits is 2752512, while the sum is 52.

The square root of 1688744482 is about 41094.3363737632. The cubic root of 1688744482 is about 1190.8433825483.

The spelling of 1688744482 in words is "one billion, six hundred eighty-eight million, seven hundred forty-four thousand, four hundred eighty-two".