689062993245 has 48 divisors (see below), whose sum is σ = 1312466231232. Its totient is φ = 331652494080.

The previous prime is 689062993211. The next prime is 689062993253. The reversal of 689062993245 is 542399260986.

It is not a de Polignac number, because 689062993245 - 2⁶ = 689062993181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5012647 + ... + 5148276.

It is an arithmetic number, because the mean of its divisors is an integer number (27343046484).

Almost surely, 2^689062993245 is an apocalyptic number.

It is an amenable number.

689062993245 is a deficient number, since it is larger than the sum of its proper divisors (623403237987).

689062993245 is a wasteful number, since it uses less digits than its factorization.

689062993245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10161082 (or 10161079 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 689062993245 in words is "six hundred eighty-nine billion, sixty-two million, nine hundred ninety-three thousand, two hundred forty-five".