3901779829 has 2 divisors, whose sum is σ = 3901779830. Its totient is φ = 3901779828.

The previous prime is 3901779821. The next prime is 3901779841. The reversal of 3901779829 is 9289771093.

3901779829 is digitally balanced in base 3, 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., 3083247729 + 818532100 = 55527^2 + 28610^2 .

It is a cyclic number.

It is not a de Polignac number, because 3901779829 - 2³ = 3901779821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3901779829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3901779821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950889914 + 1950889915.

It is an arithmetic number, because the mean of its divisors is an integer number (1950889915).

Almost surely, 2^3901779829 is an apocalyptic number.

It is an amenable number.

3901779829 is a deficient number, since it is larger than the sum of its proper divisors (1).

3901779829 is an equidigital number, since it uses as much as digits as its factorization.

3901779829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 55.

The square root of 3901779829 is about 62464.2283951383. The cubic root of 3901779829 is about 1574.3003297251.

The spelling of 3901779829 in words is "three billion, nine hundred one million, seven hundred seventy-nine thousand, eight hundred twenty-nine".