830975431689 has 24 divisors (see below), whose sum is σ = 1293150752712. Its totient is φ = 511162871040.

The previous prime is 830975431679. The next prime is 830975431711. The reversal of 830975431689 is 986134579038.

830975431689 is a `hidden beast` number, since 8 + 3 + 0 + 9 + 7 + 543 + 1 + 6 + 89 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16514306064 + 814461125625 = 128508^2 + 902475^2 .

It is not a de Polignac number, because 830975431689 - 2⁴ = 830975431673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (830975431609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1143852 + ... + 1723469.

It is an arithmetic number, because the mean of its divisors is an integer number (53881281363).

Almost surely, 2^830975431689 is an apocalyptic number.

It is an amenable number.

830975431689 is a deficient number, since it is larger than the sum of its proper divisors (462175321023).

830975431689 is a wasteful number, since it uses less digits than its factorization.

830975431689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869817 (or 2869814 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 830975431689 in words is "eight hundred thirty billion, nine hundred seventy-five million, four hundred thirty-one thousand, six hundred eighty-nine".