2104400429 has 2 divisors, whose sum is σ = 2104400430. Its totient is φ = 2104400428.

The previous prime is 2104400383. The next prime is 2104400447. The reversal of 2104400429 is 9240044012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2036716900 + 67683529 = 45130^2 + 8227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104400429 - 2¹⁶ = 2104334893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2104400398 and 2104400407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104400449) 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, 1052200214 + 1052200215.

It is an arithmetic number, because the mean of its divisors is an integer number (1052200215).

Almost surely, 2^2104400429 is an apocalyptic number.

It is an amenable number.

2104400429 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104400429 is an equidigital number, since it uses as much as digits as its factorization.

2104400429 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2104400429 is about 45873.7444405839. The cubic root of 2104400429 is about 1281.4730009022.

The spelling of 2104400429 in words is "two billion, one hundred four million, four hundred thousand, four hundred twenty-nine".