3992957489 has 2 divisors, whose sum is σ = 3992957490. Its totient is φ = 3992957488.

The previous prime is 3992957473. The next prime is 3992957531. The reversal of 3992957489 is 9847592993.

3992957489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2540966464 + 1451991025 = 50408^2 + 38105^2 .

It is a cyclic number.

It is not a de Polignac number, because 3992957489 - 2⁴ = 3992957473 is a prime.

It is a super-2 number, since 2×3992957489² = 31887419017922370242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3992957429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1996478744 + 1996478745.

It is an arithmetic number, because the mean of its divisors is an integer number (1996478745).

Almost surely, 2^3992957489 is an apocalyptic number.

It is an amenable number.

3992957489 is a deficient number, since it is larger than the sum of its proper divisors (1).

3992957489 is an equidigital number, since it uses as much as digits as its factorization.

3992957489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44089920, while the sum is 65.

The square root of 3992957489 is about 63189.8527376034. The cubic root of 3992957489 is about 1586.4688972473.

The spelling of 3992957489 in words is "three billion, nine hundred ninety-two million, nine hundred fifty-seven thousand, four hundred eighty-nine".