3895738657 has 2 divisors, whose sum is σ = 3895738658. Its totient is φ = 3895738656.

The previous prime is 3895738633. The next prime is 3895738699. The reversal of 3895738657 is 7568375983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2610085921 + 1285652736 = 51089^2 + 35856^2 .

It is a cyclic number.

It is not a de Polignac number, because 3895738657 - 2⁷ = 3895738529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3895738595 and 3895738604.

It is not a weakly prime, because it can be changed into another prime (3895738607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947869328 + 1947869329.

It is an arithmetic number, because the mean of its divisors is an integer number (1947869329).

Almost surely, 2^3895738657 is an apocalyptic number.

It is an amenable number.

3895738657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3895738657 is an equidigital number, since it uses as much as digits as its factorization.

3895738657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38102400, while the sum is 61.

The square root of 3895738657 is about 62415.8526097337. The cubic root of 3895738657 is about 1573.4874074022.

The spelling of 3895738657 in words is "three billion, eight hundred ninety-five million, seven hundred thirty-eight thousand, six hundred fifty-seven".