3995945711 has 2 divisors, whose sum is σ = 3995945712. Its totient is φ = 3995945710.

The previous prime is 3995945683. The next prime is 3995945717. The reversal of 3995945711 is 1175495993.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3995945711 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3995945717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997972855 + 1997972856.

It is an arithmetic number, because the mean of its divisors is an integer number (1997972856).

Almost surely, 2^3995945711 is an apocalyptic number.

3995945711 is a deficient number, since it is larger than the sum of its proper divisors (1).

3995945711 is an equidigital number, since it uses as much as digits as its factorization.

3995945711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 53.

The square root of 3995945711 is about 63213.4931086710. The cubic root of 3995945711 is about 1586.8645554494.

The spelling of 3995945711 in words is "three billion, nine hundred ninety-five million, nine hundred forty-five thousand, seven hundred eleven".