3966435247 has 2 divisors, whose sum is σ = 3966435248. Its totient is φ = 3966435246.

The previous prime is 3966435229. The next prime is 3966435251. The reversal of 3966435247 is 7425346693.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3966435247 - 2¹⁹ = 3965910959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3966435247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3966435047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983217623 + 1983217624.

It is an arithmetic number, because the mean of its divisors is an integer number (1983217624).

Almost surely, 2^3966435247 is an apocalyptic number.

3966435247 is a deficient number, since it is larger than the sum of its proper divisors (1).

3966435247 is an equidigital number, since it uses as much as digits as its factorization.

3966435247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 49.

The square root of 3966435247 is about 62979.6415280367. The cubic root of 3966435247 is about 1582.9485142680.

The spelling of 3966435247 in words is "three billion, nine hundred sixty-six million, four hundred thirty-five thousand, two hundred forty-seven".