9903039245 has 16 divisors (see below), whose sum is σ = 12966082560. Its totient is φ = 7201041600.

The previous prime is 9903039227. The next prime is 9903039247. The reversal of 9903039245 is 5429303099.

It is not a de Polignac number, because 9903039245 - 2²⁰ = 9901990669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9903039196 and 9903039205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9903039247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475511 + ... + 495899.

It is an arithmetic number, because the mean of its divisors is an integer number (810380160).

Almost surely, 2^9903039245 is an apocalyptic number.

It is an amenable number.

9903039245 is a deficient number, since it is larger than the sum of its proper divisors (3063043315).

9903039245 is a wasteful number, since it uses less digits than its factorization.

9903039245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29236.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 9903039245 is about 99514.0153194514. The cubic root of 9903039245 is about 2147.4488756795.

The spelling of 9903039245 in words is "nine billion, nine hundred three million, thirty-nine thousand, two hundred forty-five".