3969584449 has 2 divisors, whose sum is σ = 3969584450. Its totient is φ = 3969584448.

The previous prime is 3969584417. The next prime is 3969584471. The reversal of 3969584449 is 9444859693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3652993600 + 316590849 = 60440^2 + 17793^2 .

It is a cyclic number.

It is not a de Polignac number, because 3969584449 - 2⁵ = 3969584417 is a prime.

It is not a weakly prime, because it can be changed into another prime (3969584149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984792224 + 1984792225.

It is an arithmetic number, because the mean of its divisors is an integer number (1984792225).

Almost surely, 2^3969584449 is an apocalyptic number.

It is an amenable number.

3969584449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3969584449 is an equidigital number, since it uses as much as digits as its factorization.

3969584449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33592320, while the sum is 61.

The square root of 3969584449 is about 63004.6383133813. The cubic root of 3969584449 is about 1583.3673375178.

The spelling of 3969584449 in words is "three billion, nine hundred sixty-nine million, five hundred eighty-four thousand, four hundred forty-nine".