3869067989 has 2 divisors, whose sum is σ = 3869067990. Its totient is φ = 3869067988.

The previous prime is 3869067967. The next prime is 3869067997. The reversal of 3869067989 is 9897609683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2136011089 + 1733056900 = 46217^2 + 41630^2 .

It is a cyclic number.

It is not a de Polignac number, because 3869067989 - 2⁸ = 3869067733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3869067929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934533994 + 1934533995.

It is an arithmetic number, because the mean of its divisors is an integer number (1934533995).

Almost surely, 2^3869067989 is an apocalyptic number.

It is an amenable number.

3869067989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3869067989 is an equidigital number, since it uses as much as digits as its factorization.

3869067989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35271936, while the sum is 65.

The square root of 3869067989 is about 62201.8326820038. The cubic root of 3869067989 is about 1569.8884241911. Note that the first 3 decimals are identical.

The spelling of 3869067989 in words is "three billion, eight hundred sixty-nine million, sixty-seven thousand, nine hundred eighty-nine".