2100242429 has 2 divisors, whose sum is σ = 2100242430. Its totient is φ = 2100242428.

The previous prime is 2100242393. The next prime is 2100242471. The reversal of 2100242429 is 9242420012.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1664476804 + 435765625 = 40798^2 + 20875^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100242429 - 2¹⁶ = 2100176893 is a prime.

It is a super-2 number, since 2×2100242429² = 8822036521143640082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100242398 and 2100242407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100242479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050121214 + 1050121215.

It is an arithmetic number, because the mean of its divisors is an integer number (1050121215).

Almost surely, 2^2100242429 is an apocalyptic number.

It is an amenable number.

2100242429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100242429 is an equidigital number, since it uses as much as digits as its factorization.

2100242429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2100242429 is about 45828.4019904687. The cubic root of 2100242429 is about 1280.6284407940.

The spelling of 2100242429 in words is "two billion, one hundred million, two hundred forty-two thousand, four hundred twenty-nine".