681095888229 has 8 divisors (see below), whose sum is σ = 908702985760. Its totient is φ = 453776358096.

The previous prime is 681095888203. The next prime is 681095888299. The reversal of 681095888229 is 922888590186.

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

It is not a de Polignac number, because 681095888229 - 2²⁰ = 681094839653 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 681095888229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681095888299) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 71886322 + ... + 71895795.

It is an arithmetic number, because the mean of its divisors is an integer number (113587873220).

Almost surely, 2^681095888229 is an apocalyptic number.

It is an amenable number.

681095888229 is a deficient number, since it is larger than the sum of its proper divisors (227607097531).

681095888229 is a wasteful number, since it uses less digits than its factorization.

681095888229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143783699.

The product of its (nonzero) digits is 39813120, while the sum is 66.

The spelling of 681095888229 in words is "six hundred eighty-one billion, ninety-five million, eight hundred eighty-eight thousand, two hundred twenty-nine".