9812349025 has 6 divisors (see below), whose sum is σ = 12167312822. Its totient is φ = 7849879200.

The previous prime is 9812349007. The next prime is 9812349031. The reversal of 9812349025 is 5209432189.

It can be written as a sum of positive squares in 3 ways, for example, as 2902084641 + 6910264384 = 53871^2 + 83128^2 .

It is not a de Polignac number, because 9812349025 - 2⁵ = 9812348993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196246956 + ... + 196247005.

Almost surely, 2^9812349025 is an apocalyptic number.

It is an amenable number.

9812349025 is a deficient number, since it is larger than the sum of its proper divisors (2354963797).

9812349025 is a wasteful number, since it uses less digits than its factorization.

9812349025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392493971 (or 392493966 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 9812349025 is about 99057.3017248098. The cubic root of 9812349025 is about 2140.8734479316.

The spelling of 9812349025 in words is "nine billion, eight hundred twelve million, three hundred forty-nine thousand, twenty-five".