689418193048 has 48 divisors (see below), whose sum is σ = 1415470998600. Its totient is φ = 314617754880.

The previous prime is 689418192997. The next prime is 689418193067. The reversal of 689418193048 is 840391814986.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2744418 + ... + 2985073.

Almost surely, 2^689418193048 is an apocalyptic number.

It is an amenable number.

689418193048 is an abundant number, since it is smaller than the sum of its proper divisors (726052805552).

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

689418193048 is a wasteful number, since it uses less digits than its factorization.

689418193048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5729612 (or 5729595 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 61.

The spelling of 689418193048 in words is "six hundred eighty-nine billion, four hundred eighteen million, one hundred ninety-three thousand, forty-eight".