3984075449 has 2 divisors, whose sum is σ = 3984075450. Its totient is φ = 3984075448.

The previous prime is 3984075437. The next prime is 3984075463. The reversal of 3984075449 is 9445704893.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3839041600 + 145033849 = 61960^2 + 12043^2 .

It is a cyclic number.

It is not a de Polignac number, because 3984075449 - 2¹² = 3984071353 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3984075449.

It is not a weakly prime, because it can be changed into another prime (3984075499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992037724 + 1992037725.

It is an arithmetic number, because the mean of its divisors is an integer number (1992037725).

Almost surely, 2^3984075449 is an apocalyptic number.

It is an amenable number.

3984075449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3984075449 is an equidigital number, since it uses as much as digits as its factorization.

3984075449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The square root of 3984075449 is about 63119.5330226706. The cubic root of 3984075449 is about 1585.2916961907.

The spelling of 3984075449 in words is "three billion, nine hundred eighty-four million, seventy-five thousand, four hundred forty-nine".