1689411602 has 16 divisors (see below), whose sum is σ = 2550113280. Its totient is φ = 839390208.

The previous prime is 1689411599. The next prime is 1689411611. The reversal of 1689411602 is 2061149861.

It is a super-4 number, since 4×1689411602⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 7 ways as a sum of consecutive naturals, for example, 221903 + ... + 229389.

It is an arithmetic number, because the mean of its divisors is an integer number (159382080).

Almost surely, 2^1689411602 is an apocalyptic number.

1689411602 is a deficient number, since it is larger than the sum of its proper divisors (860701678).

1689411602 is a wasteful number, since it uses less digits than its factorization.

1689411602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 1689411602 is about 41102.4525059029. The cubic root of 1689411602 is about 1191.0001717800. Note that the first 3 decimals are identical.

The spelling of 1689411602 in words is "one billion, six hundred eighty-nine million, four hundred eleven thousand, six hundred two".