9839620145 has 16 divisors (see below), whose sum is σ = 12504855168. Its totient is φ = 7407025920.

The previous prime is 9839620103. The next prime is 9839620177. The reversal of 9839620145 is 5410269389.

It is not a de Polignac number, because 9839620145 - 2¹⁶ = 9839554609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9839620145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 494030 + ... + 513560.

It is an arithmetic number, because the mean of its divisors is an integer number (781553448).

Almost surely, 2^9839620145 is an apocalyptic number.

It is an amenable number.

9839620145 is a deficient number, since it is larger than the sum of its proper divisors (2665235023).

9839620145 is a wasteful number, since it uses less digits than its factorization.

9839620145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25480.

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 9839620145 is about 99194.8594686237. The cubic root of 9839620145 is about 2142.8549650211.

The spelling of 9839620145 in words is "nine billion, eight hundred thirty-nine million, six hundred twenty thousand, one hundred forty-five".