425430330529 has 2 divisors, whose sum is σ = 425430330530. Its totient is φ = 425430330528.

The previous prime is 425430330511. The next prime is 425430330541. The reversal of 425430330529 is 925033034524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376441148304 + 48989182225 = 613548^2 + 221335^2 .

It is a cyclic number.

It is not a de Polignac number, because 425430330529 - 2³⁷ = 287991377057 is a prime.

It is a super-2 number, since 2×425430330529² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425430330491 and 425430330500.

It is not a weakly prime, because it can be changed into another prime (425430330329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212715165264 + 212715165265.

It is an arithmetic number, because the mean of its divisors is an integer number (212715165265).

Almost surely, 2^425430330529 is an apocalyptic number.

It is an amenable number.

425430330529 is a deficient number, since it is larger than the sum of its proper divisors (1).

425430330529 is an equidigital number, since it uses as much as digits as its factorization.

425430330529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 40.

The spelling of 425430330529 in words is "four hundred twenty-five billion, four hundred thirty million, three hundred thirty thousand, five hundred twenty-nine".