4123973866 has 16 divisors (see below), whose sum is σ = 6586037640. Its totient is φ = 1929968640.

The previous prime is 4123973857. The next prime is 4123973881. The reversal of 4123973866 is 6683793214.

It can be written as a sum of positive squares in 4 ways, for example, as 1830042841 + 2293931025 = 42779^2 + 47895^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328911 + ... + 341218.

Almost surely, 2^4123973866 is an apocalyptic number.

4123973866 is a deficient number, since it is larger than the sum of its proper divisors (2462063774).

4123973866 is a wasteful number, since it uses less digits than its factorization.

4123973866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670329.

The product of its digits is 1306368, while the sum is 49.

The square root of 4123973866 is about 64218.1739541074. The cubic root of 4123973866 is about 1603.6341697256.

The spelling of 4123973866 in words is "four billion, one hundred twenty-three million, nine hundred seventy-three thousand, eight hundred sixty-six".