3966057637 has 2 divisors, whose sum is σ = 3966057638. Its totient is φ = 3966057636.

The previous prime is 3966057617. The next prime is 3966057643. The reversal of 3966057637 is 7367506693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3453442756 + 512614881 = 58766^2 + 22641^2 .

It is a cyclic number.

It is not a de Polignac number, because 3966057637 - 2³¹ = 1818573989 is a prime.

It is a super-2 number, since 2×3966057637² = 31459226360012047538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3966057607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1983028818 + 1983028819.

It is an arithmetic number, because the mean of its divisors is an integer number (1983028819).

Almost surely, 2^3966057637 is an apocalyptic number.

It is an amenable number.

3966057637 is a deficient number, since it is larger than the sum of its proper divisors (1).

3966057637 is an equidigital number, since it uses as much as digits as its factorization.

3966057637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 52.

The square root of 3966057637 is about 62976.6435831571. The cubic root of 3966057637 is about 1582.8982797274.

The spelling of 3966057637 in words is "three billion, nine hundred sixty-six million, fifty-seven thousand, six hundred thirty-seven".