1689060308428 has 12 divisors (see below), whose sum is σ = 2956148879040. Its totient is φ = 844446342992.

The previous prime is 1689060308401. The next prime is 1689060308447. The reversal of 1689060308428 is 8248030609861.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20907451 + ... + 20988082.

It is an arithmetic number, because the mean of its divisors is an integer number (246345739920).

Almost surely, 2^{1689060308428} is an apocalyptic number.

It is an amenable number.

1689060308428 is a deficient number, since it is larger than the sum of its proper divisors (1267088570612).

1689060308428 is a wasteful number, since it uses less digits than its factorization.

1689060308428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41905616 (or 41905614 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 1689060308428 in words is "one trillion, six hundred eighty-nine billion, sixty million, three hundred eight thousand, four hundred twenty-eight".