9903206125609 has 8 divisors (see below), whose sum is σ = 9970893801792. Its totient is φ = 9835745971920.

The previous prime is 9903206125591. The next prime is 9903206125619. The reversal of 9903206125609 is 9065216023099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9903206125609 - 2¹⁹ = 9903205601321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9903206125619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56793274 + ... + 56967379.

It is an arithmetic number, because the mean of its divisors is an integer number (1246361725224).

Almost surely, 2^{9903206125609} is an apocalyptic number.

It is an amenable number.

9903206125609 is a deficient number, since it is larger than the sum of its proper divisors (67687676183).

9903206125609 is a wasteful number, since it uses less digits than its factorization.

9903206125609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113761247.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The spelling of 9903206125609 in words is "nine trillion, nine hundred three billion, two hundred six million, one hundred twenty-five thousand, six hundred nine".