3966921311 has 2 divisors, whose sum is σ = 3966921312. Its totient is φ = 3966921310.

The previous prime is 3966921221. The next prime is 3966921331. The reversal of 3966921311 is 1131296693.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3966921311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3966921331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983460655 + 1983460656.

It is an arithmetic number, because the mean of its divisors is an integer number (1983460656).

Almost surely, 2^3966921311 is an apocalyptic number.

3966921311 is a deficient number, since it is larger than the sum of its proper divisors (1).

3966921311 is an equidigital number, since it uses as much as digits as its factorization.

3966921311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52488, while the sum is 41.

The square root of 3966921311 is about 62983.5003076202. The cubic root of 3966921311 is about 1583.0131720620.

The spelling of 3966921311 in words is "three billion, nine hundred sixty-six million, nine hundred twenty-one thousand, three hundred eleven".