3869768629 has 2 divisors, whose sum is σ = 3869768630. Its totient is φ = 3869768628.

The previous prime is 3869768621. The next prime is 3869768663. The reversal of 3869768629 is 9268679683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3328136100 + 541632529 = 57690^2 + 23273^2 .

It is an emirp because it is prime and its reverse (9268679683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3869768629 - 2³ = 3869768621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3869768621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934884314 + 1934884315.

It is an arithmetic number, because the mean of its divisors is an integer number (1934884315).

Almost surely, 2^3869768629 is an apocalyptic number.

It is an amenable number.

3869768629 is a deficient number, since it is larger than the sum of its proper divisors (1).

3869768629 is an equidigital number, since it uses as much as digits as its factorization.

3869768629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47029248, while the sum is 64.

The square root of 3869768629 is about 62207.4644154542. The cubic root of 3869768629 is about 1569.9831808819.

It can be divided in two parts, 386976 and 8629, that added together give a triangular number (395605 = T₈₈₉).

The spelling of 3869768629 in words is "three billion, eight hundred sixty-nine million, seven hundred sixty-eight thousand, six hundred twenty-nine".