4189066730 has 32 divisors (see below), whose sum is σ = 8001795600. Its totient is φ = 1573519360.

The previous prime is 4189066723. The next prime is 4189066741. The reversal of 4189066730 is 376609814.

It is a Cunningham number, because it is equal to 64723²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 1508001889 + 2681064841 = 38833^2 + 51779^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48890 + ... + 103770.

Almost surely, 2^4189066730 is an apocalyptic number.

4189066730 is a deficient number, since it is larger than the sum of its proper divisors (3812728870).

4189066730 is a wasteful number, since it uses less digits than its factorization.

4189066730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55354.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 4189066730 is about 64723.0000077252. Note that the first 5 decimals coincide. The cubic root of 4189066730 is about 1612.0274254047.

The spelling of 4189066730 in words is "four billion, one hundred eighty-nine million, sixty-six thousand, seven hundred thirty".