9890340075409 has 8 divisors (see below), whose sum is σ = 10228904129792. Its totient is φ = 9552996072720.

The previous prime is 9890340075383. The next prime is 9890340075521. The reversal of 9890340075409 is 9045700430989.

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 9890340075409 - 2¹⁵ = 9890340042641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9890340475409) 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, 304996434 + ... + 305028859.

It is an arithmetic number, because the mean of its divisors is an integer number (1278613016224).

Almost surely, 2^{9890340075409} is an apocalyptic number.

It is an amenable number.

9890340075409 is a deficient number, since it is larger than the sum of its proper divisors (338564054383).

9890340075409 is a wasteful number, since it uses less digits than its factorization.

9890340075409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610025847.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 9890340075409 in words is "nine trillion, eight hundred ninety billion, three hundred forty million, seventy-five thousand, four hundred nine".