3952463891 has 2 divisors, whose sum is σ = 3952463892. Its totient is φ = 3952463890.

The previous prime is 3952463887. The next prime is 3952463897. The reversal of 3952463891 is 1983642593.

It is a happy number.

3952463891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (1983642593) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3952463891 - 2² = 3952463887 is a prime.

It is not a weakly prime, because it can be changed into another prime (3952463897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976231945 + 1976231946.

It is an arithmetic number, because the mean of its divisors is an integer number (1976231946).

Almost surely, 2^3952463891 is an apocalyptic number.

3952463891 is a deficient number, since it is larger than the sum of its proper divisors (1).

3952463891 is an equidigital number, since it uses as much as digits as its factorization.

3952463891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 50.

The square root of 3952463891 is about 62868.6240584284. The cubic root of 3952463891 is about 1581.0877372051.

The spelling of 3952463891 in words is "three billion, nine hundred fifty-two million, four hundred sixty-three thousand, eight hundred ninety-one".