681192233 has 8 divisors (see below), whose sum is σ = 707056896. Its totient is φ = 655570800.

The previous prime is 681192221. The next prime is 681192289. The reversal of 681192233 is 332291186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 681192233 - 2⁴ = 681192217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 681192193 and 681192202.

It is not an unprimeable number, because it can be changed into a prime (681192203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 55091 + ... + 66312.

It is an arithmetic number, because the mean of its divisors is an integer number (88382112).

Almost surely, 2^681192233 is an apocalyptic number.

It is an amenable number.

681192233 is a deficient number, since it is larger than the sum of its proper divisors (25864663).

681192233 is a wasteful number, since it uses less digits than its factorization.

681192233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121615.

The product of its digits is 15552, while the sum is 35.

The square root of 681192233 is about 26099.6596337960. The cubic root of 681192233 is about 879.8795603937.

The spelling of 681192233 in words is "six hundred eighty-one million, one hundred ninety-two thousand, two hundred thirty-three".