3950965789 has 2 divisors, whose sum is σ = 3950965790. Its totient is φ = 3950965788.

The previous prime is 3950965769. The next prime is 3950965819. The reversal of 3950965789 is 9875690593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2341592100 + 1609373689 = 48390^2 + 40117^2 .

It is a cyclic number.

It is not a de Polignac number, because 3950965789 - 2⁵ = 3950965757 is a prime.

It is a super-3 number, since 3×3950965789³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3950965729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1975482894 + 1975482895.

It is an arithmetic number, because the mean of its divisors is an integer number (1975482895).

Almost surely, 2^3950965789 is an apocalyptic number.

It is an amenable number.

3950965789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3950965789 is an equidigital number, since it uses as much as digits as its factorization.

3950965789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18370800, while the sum is 61.

The square root of 3950965789 is about 62856.7083850244. The cubic root of 3950965789 is about 1580.8879521183.

The spelling of 3950965789 in words is "three billion, nine hundred fifty million, nine hundred sixty-five thousand, seven hundred eighty-nine".