3876901669 has 2 divisors, whose sum is σ = 3876901670. Its totient is φ = 3876901668.

The previous prime is 3876901667. The next prime is 3876901687. The reversal of 3876901669 is 9661096783.

3876901669 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., 3107505025 + 769396644 = 55745^2 + 27738^2 .

It is a cyclic number.

It is not a de Polignac number, because 3876901669 - 2¹ = 3876901667 is a prime.

It is a super-2 number, since 2×3876901669² = 30060733102189971122, which contains 22 as substring.

Together with 3876901667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3876901667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1938450834 + 1938450835.

It is an arithmetic number, because the mean of its divisors is an integer number (1938450835).

Almost surely, 2^3876901669 is an apocalyptic number.

It is an amenable number.

3876901669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3876901669 is an equidigital number, since it uses as much as digits as its factorization.

3876901669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 3876901669 is about 62264.7706893714. The cubic root of 3876901669 is about 1570.9472246576.

The spelling of 3876901669 in words is "three billion, eight hundred seventy-six million, nine hundred one thousand, six hundred sixty-nine".