8681719973 has 8 divisors (see below), whose sum is σ = 9021926400. Its totient is φ = 8345273040.

The previous prime is 8681719967. The next prime is 8681720011. The reversal of 8681719973 is 3799171868.

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 8681719973 - 2¹⁰ = 8681718949 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 (8681713973) 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, 935165 + ... + 944402.

It is an arithmetic number, because the mean of its divisors is an integer number (1127740800).

Almost surely, 2^8681719973 is an apocalyptic number.

It is an amenable number.

8681719973 is a deficient number, since it is larger than the sum of its proper divisors (340206427).

8681719973 is a wasteful number, since it uses less digits than its factorization.

8681719973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879747.

The product of its digits is 4572288, while the sum is 59.

The square root of 8681719973 is about 93175.7477726903. The cubic root of 8681719973 is about 2055.2686189117.

The spelling of 8681719973 in words is "eight billion, six hundred eighty-one million, seven hundred nineteen thousand, nine hundred seventy-three".