683650855 has 4 divisors (see below), whose sum is σ = 820381032. Its totient is φ = 546920680.

The previous prime is 683650853. The next prime is 683650871. The reversal of 683650855 is 558056386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 558056386 = 2 ⋅279028193.

It is not a de Polignac number, because 683650855 - 2¹ = 683650853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683650853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68365081 + ... + 68365090.

It is an arithmetic number, because the mean of its divisors is an integer number (205095258).

Almost surely, 2^683650855 is an apocalyptic number.

683650855 is a deficient number, since it is larger than the sum of its proper divisors (136730177).

683650855 is a wasteful number, since it uses less digits than its factorization.

683650855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136730176.

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 683650855 is about 26146.7178628600. The cubic root of 683650855 is about 880.9368702571.

The spelling of 683650855 in words is "six hundred eighty-three million, six hundred fifty thousand, eight hundred fifty-five".