4138911629 has 2 divisors, whose sum is σ = 4138911630. Its totient is φ = 4138911628.

The previous prime is 4138911611. The next prime is 4138911641. The reversal of 4138911629 is 9261198314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3308895529 + 830016100 = 57523^2 + 28810^2 .

It is a cyclic number.

It is not a de Polignac number, because 4138911629 - 2⁸ = 4138911373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4138911629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4138911529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069455814 + 2069455815.

It is an arithmetic number, because the mean of its divisors is an integer number (2069455815).

Almost surely, 2^4138911629 is an apocalyptic number.

It is an amenable number.

4138911629 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138911629 is an equidigital number, since it uses as much as digits as its factorization.

4138911629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 44.

The square root of 4138911629 is about 64334.3736193957. The cubic root of 4138911629 is about 1605.5680522118.

The spelling of 4138911629 in words is "four billion, one hundred thirty-eight million, nine hundred eleven thousand, six hundred twenty-nine".