10558439425 has 6 divisors (see below), whose sum is σ = 13092464918. Its totient is φ = 8446751520.

The previous prime is 10558439417. The next prime is 10558439443. The reversal of 10558439425 is 52493485501.

It can be written as a sum of positive squares in 3 ways, for example, as 3665454849 + 6892984576 = 60543^2 + 83024^2 .

It is not a de Polignac number, because 10558439425 - 2³ = 10558439417 is a prime.

It is a super-2 number, since 2×10558439425² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211168764 + ... + 211168813.

Almost surely, 2^10558439425 is an apocalyptic number.

It is an amenable number.

10558439425 is a deficient number, since it is larger than the sum of its proper divisors (2534025493).

10558439425 is an equidigital number, since it uses as much as digits as its factorization.

10558439425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422337587 (or 422337582 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 10558439425 in words is "ten billion, five hundred fifty-eight million, four hundred thirty-nine thousand, four hundred twenty-five".