4129631189 has 2 divisors, whose sum is σ = 4129631190. Its totient is φ = 4129631188.

The previous prime is 4129631173. The next prime is 4129631213. The reversal of 4129631189 is 9811369214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4123823089 + 5808100 = 64217^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 4129631189 - 2⁴ = 4129631173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4129661189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064815594 + 2064815595.

It is an arithmetic number, because the mean of its divisors is an integer number (2064815595).

Almost surely, 2^4129631189 is an apocalyptic number.

It is an amenable number.

4129631189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4129631189 is an equidigital number, since it uses as much as digits as its factorization.

4129631189 is an evil number, because the sum of its binary digits is even.

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

The square root of 4129631189 is about 64262.2065369685. The cubic root of 4129631189 is about 1604.3671303307.

The spelling of 4129631189 in words is "four billion, one hundred twenty-nine million, six hundred thirty-one thousand, one hundred eighty-nine".