3984451963 has 2 divisors, whose sum is σ = 3984451964. Its totient is φ = 3984451962.

The previous prime is 3984451951. The next prime is 3984451973. The reversal of 3984451963 is 3691544893.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3984451963 - 2¹⁷ = 3984320891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3984451963.

It is not a weakly prime, because it can be changed into another prime (3984451903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992225981 + 1992225982.

It is an arithmetic number, because the mean of its divisors is an integer number (1992225982).

Almost surely, 2^3984451963 is an apocalyptic number.

3984451963 is a deficient number, since it is larger than the sum of its proper divisors (1).

3984451963 is an equidigital number, since it uses as much as digits as its factorization.

3984451963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 52.

The square root of 3984451963 is about 63122.5154996218. The cubic root of 3984451963 is about 1585.3416338089.

The spelling of 3984451963 in words is "three billion, nine hundred eighty-four million, four hundred fifty-one thousand, nine hundred sixty-three".