9621419099 has 4 divisors (see below), whose sum is σ = 9640701000. Its totient is φ = 9602137200.

The previous prime is 9621419089. The next prime is 9621419113. The reversal of 9621419099 is 9909141269.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9621419099 - 2²⁴ = 9604641883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9621419069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9640202 + ... + 9641199.

It is an arithmetic number, because the mean of its divisors is an integer number (2410175250).

Almost surely, 2^9621419099 is an apocalyptic number.

9621419099 is a deficient number, since it is larger than the sum of its proper divisors (19281901).

9621419099 is a wasteful number, since it uses less digits than its factorization.

9621419099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19281900.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 9621419099 is about 98088.8326926159. The cubic root of 9621419099 is about 2126.8966024017.

The spelling of 9621419099 in words is "nine billion, six hundred twenty-one million, four hundred nineteen thousand, ninety-nine".