424415125129 has 2 divisors, whose sum is σ = 424415125130. Its totient is φ = 424415125128.

The previous prime is 424415125111. The next prime is 424415125139. The reversal of 424415125129 is 921521514424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418288149504 + 6126975625 = 646752^2 + 78275^2 .

It is a cyclic number.

It is not a de Polignac number, because 424415125129 - 2¹¹ = 424415123081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 424415125091 and 424415125100.

It is not a weakly prime, because it can be changed into another prime (424415125139) 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, 212207562564 + 212207562565.

It is an arithmetic number, because the mean of its divisors is an integer number (212207562565).

Almost surely, 2^424415125129 is an apocalyptic number.

It is an amenable number.

424415125129 is a deficient number, since it is larger than the sum of its proper divisors (1).

424415125129 is an equidigital number, since it uses as much as digits as its factorization.

424415125129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 40.

The spelling of 424415125129 in words is "four hundred twenty-four billion, four hundred fifteen million, one hundred twenty-five thousand, one hundred twenty-nine".