3965382789 has 4 divisors (see below), whose sum is σ = 5287177056. Its totient is φ = 2643588524.

The previous prime is 3965382767. The next prime is 3965382791. The reversal of 3965382789 is 9872835693.

3965382789 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3965382789 - 2⁷ = 3965382661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965382089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660897129 + ... + 660897134.

It is an arithmetic number, because the mean of its divisors is an integer number (1321794264).

Almost surely, 2^3965382789 is an apocalyptic number.

It is an amenable number.

3965382789 is a deficient number, since it is larger than the sum of its proper divisors (1321794267).

3965382789 is a wasteful number, since it uses less digits than its factorization.

3965382789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321794266.

The product of its digits is 19595520, while the sum is 60.

The square root of 3965382789 is about 62971.2854323302. The cubic root of 3965382789 is about 1582.8084948217.

The spelling of 3965382789 in words is "three billion, nine hundred sixty-five million, three hundred eighty-two thousand, seven hundred eighty-nine".