9923869409 has 8 divisors (see below), whose sum is σ = 10357364160. Its totient is φ = 9490543216.

The previous prime is 9923869399. The next prime is 9923869427. The reversal of 9923869409 is 9049683299.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9923869409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9923869429) 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, 86582 + ... + 165360.

It is an arithmetic number, because the mean of its divisors is an integer number (1294670520).

Almost surely, 2^9923869409 is an apocalyptic number.

It is an amenable number.

9923869409 is a deficient number, since it is larger than the sum of its proper divisors (433494751).

9923869409 is a wasteful number, since it uses less digits than its factorization.

9923869409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84279.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The square root of 9923869409 is about 99618.6197906797. The cubic root of 9923869409 is about 2148.9534772701.

The spelling of 9923869409 in words is "nine billion, nine hundred twenty-three million, eight hundred sixty-nine thousand, four hundred nine".