2100433129 has 2 divisors, whose sum is σ = 2100433130. Its totient is φ = 2100433128.

The previous prime is 2100433121. The next prime is 2100433151. The reversal of 2100433129 is 9213340012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1501407504 + 599025625 = 38748^2 + 24475^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100433129 - 2³ = 2100433121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100433121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050216564 + 1050216565.

It is an arithmetic number, because the mean of its divisors is an integer number (1050216565).

Almost surely, 2^2100433129 is an apocalyptic number.

It is an amenable number.

2100433129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100433129 is an equidigital number, since it uses as much as digits as its factorization.

2100433129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2100433129 is about 45830.4825307349. The cubic root of 2100433129 is about 1280.6671995660.

The spelling of 2100433129 in words is "two billion, one hundred million, four hundred thirty-three thousand, one hundred twenty-nine".