1689350546 has 16 divisors (see below), whose sum is σ = 2792416704. Its totient is φ = 761567184.

The previous prime is 1689350513. The next prime is 1689350569. The reversal of 1689350546 is 6450539861.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1689350546.

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, 754406 + ... + 756641.

It is an arithmetic number, because the mean of its divisors is an integer number (174526044).

Almost surely, 2^1689350546 is an apocalyptic number.

1689350546 is a deficient number, since it is larger than the sum of its proper divisors (1103066158).

1689350546 is a wasteful number, since it uses less digits than its factorization.

1689350546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511105.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 1689350546 is about 41101.7097697894. The cubic root of 1689350546 is about 1190.9858238689.

The spelling of 1689350546 in words is "one billion, six hundred eighty-nine million, three hundred fifty thousand, five hundred forty-six".