3944274911 has 2 divisors, whose sum is σ = 3944274912. Its totient is φ = 3944274910.

The previous prime is 3944274869. The next prime is 3944274947. The reversal of 3944274911 is 1194724493.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3944274911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3944274611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972137455 + 1972137456.

It is an arithmetic number, because the mean of its divisors is an integer number (1972137456).

Almost surely, 2^3944274911 is an apocalyptic number.

3944274911 is a deficient number, since it is larger than the sum of its proper divisors (1).

3944274911 is an equidigital number, since it uses as much as digits as its factorization.

3944274911 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3944274911 is about 62803.4625717404. The cubic root of 3944274911 is about 1579.9950476531.

The spelling of 3944274911 in words is "three billion, nine hundred forty-four million, two hundred seventy-four thousand, nine hundred eleven".