3841287889 has 2 divisors, whose sum is σ = 3841287890. Its totient is φ = 3841287888.

The previous prime is 3841287869. The next prime is 3841287899. The reversal of 3841287889 is 9887821483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3276417600 + 564870289 = 57240^2 + 23767^2 .

It is a cyclic number.

It is not a de Polignac number, because 3841287889 - 2¹³ = 3841279697 is a prime.

It is not a weakly prime, because it can be changed into another prime (3841287809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920643944 + 1920643945.

It is an arithmetic number, because the mean of its divisors is an integer number (1920643945).

Almost surely, 2^3841287889 is an apocalyptic number.

It is an amenable number.

3841287889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3841287889 is an equidigital number, since it uses as much as digits as its factorization.

3841287889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6193152, while the sum is 58.

The square root of 3841287889 is about 61978.1242778450. The cubic root of 3841287889 is about 1566.1221033915.

The spelling of 3841287889 in words is "three billion, eight hundred forty-one million, two hundred eighty-seven thousand, eight hundred eighty-nine".