3956263823 has 2 divisors, whose sum is σ = 3956263824. Its totient is φ = 3956263822.

The previous prime is 3956263709. The next prime is 3956263837. The reversal of 3956263823 is 3283626593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3956263823 - 2²² = 3952069519 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 (3956263123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1978131911 + 1978131912.

It is an arithmetic number, because the mean of its divisors is an integer number (1978131912).

Almost surely, 2^3956263823 is an apocalyptic number.

3956263823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3956263823 is an equidigital number, since it uses as much as digits as its factorization.

3956263823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 47.

The square root of 3956263823 is about 62898.8380099347. The cubic root of 3956263823 is about 1581.5942652588.

The spelling of 3956263823 in words is "three billion, nine hundred fifty-six million, two hundred sixty-three thousand, eight hundred twenty-three".