689696593448 has 64 divisors (see below), whose sum is σ = 1345313733120. Its totient is φ = 331122355200.

The previous prime is 689696593351. The next prime is 689696593463. The reversal of 689696593448 is 844395696986.

It is a super-4 number, since 4×689696593448⁴ (a number of 48 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92784740 + ... + 92792172.

It is an arithmetic number, because the mean of its divisors is an integer number (21020527080).

Almost surely, 2^689696593448 is an apocalyptic number.

It is an amenable number.

689696593448 is a deficient number, since it is larger than the sum of its proper divisors (655617139672).

689696593448 is a wasteful number, since it uses less digits than its factorization.

689696593448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338 (or 10334 counting only the distinct ones).

The product of its digits is 2418647040, while the sum is 77.

The spelling of 689696593448 in words is "six hundred eighty-nine billion, six hundred ninety-six million, five hundred ninety-three thousand, four hundred forty-eight".