689373711112 has 8 divisors (see below), whose sum is σ = 1292575708350. Its totient is φ = 344686855552.

The previous prime is 689373711079. The next prime is 689373711133. The reversal of 689373711112 is 211117373986.

It can be written as a sum of positive squares in only one way, i.e., 358051443876 + 331322267236 = 598374^2 + 575606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×689373711112² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43085856937 + ... + 43085856952.

Almost surely, 2^689373711112 is an apocalyptic number.

It is an amenable number.

689373711112 is a deficient number, since it is larger than the sum of its proper divisors (603201997238).

689373711112 is a wasteful number, since it uses less digits than its factorization.

689373711112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86171713895 (or 86171713891 counting only the distinct ones).

The product of its digits is 381024, while the sum is 49.

The spelling of 689373711112 in words is "six hundred eighty-nine billion, three hundred seventy-three million, seven hundred eleven thousand, one hundred twelve".