1686244002 has 16 divisors (see below), whose sum is σ = 3380987712. Its totient is φ = 560664720.

The previous prime is 1686243989. The next prime is 1686244037. The reversal of 1686244002 is 2004426861.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351574 + ... + 356337.

It is an arithmetic number, because the mean of its divisors is an integer number (211311732).

Almost surely, 2^1686244002 is an apocalyptic number.

1686244002 is an abundant number, since it is smaller than the sum of its proper divisors (1694743710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1686244002 is a wasteful number, since it uses less digits than its factorization.

1686244002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708313.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 1686244002 is about 41063.9014464042. The cubic root of 1686244002 is about 1190.2553419535.

The spelling of 1686244002 in words is "one billion, six hundred eighty-six million, two hundred forty-four thousand, two".