9949748844025 has 12 divisors (see below), whose sum is σ = 12763126104300. Its totient is φ = 7685323244480.

The previous prime is 9949748844017. The next prime is 9949748844031. The reversal of 9949748844025 is 5204488479499.

It can be written as a sum of positive squares in 6 ways, for example, as 68307481449 + 9881441362576 = 261357^2 + 3143476^2 .

It is not a de Polignac number, because 9949748844025 - 2³ = 9949748844017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6861895030 + ... + 6861896479.

It is an arithmetic number, because the mean of its divisors is an integer number (1063593842025).

Almost surely, 2^{9949748844025} is an apocalyptic number.

It is an amenable number.

9949748844025 is a deficient number, since it is larger than the sum of its proper divisors (2813377260275).

9949748844025 is a wasteful number, since it uses less digits than its factorization.

9949748844025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13723791548 (or 13723791543 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 73.

The spelling of 9949748844025 in words is "nine trillion, nine hundred forty-nine billion, seven hundred forty-eight million, eight hundred forty-four thousand, twenty-five".