3870066869 has 2 divisors, whose sum is σ = 3870066870. Its totient is φ = 3870066868.

The previous prime is 3870066853. The next prime is 3870066899. The reversal of 3870066869 is 9686600783.

3870066869 is digitally balanced in base 2, 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., 3861006769 + 9060100 = 62137^2 + 3010^2 .

It is a cyclic number.

It is not a de Polignac number, because 3870066869 - 2⁴ = 3870066853 is a prime.

It is a super-2 number, since 2×3870066869² = 29954835141062926322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3870066869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3870066899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935033434 + 1935033435.

It is an arithmetic number, because the mean of its divisors is an integer number (1935033435).

Almost surely, 2^3870066869 is an apocalyptic number.

It is an amenable number.

3870066869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3870066869 is an equidigital number, since it uses as much as digits as its factorization.

3870066869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 3870066869 is about 62209.8615092495. The cubic root of 3870066869 is about 1570.0235122988.

The spelling of 3870066869 in words is "three billion, eight hundred seventy million, sixty-six thousand, eight hundred sixty-nine".