8919613109 has 8 divisors (see below), whose sum is σ = 9956777952. Its totient is φ = 7920163440.

The previous prime is 8919613093. The next prime is 8919613127. The reversal of 8919613109 is 9013169198.

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 8919613109 - 2⁴ = 8919613093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8919613009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9428294 + ... + 9429239.

It is an arithmetic number, because the mean of its divisors is an integer number (1244597244).

Almost surely, 2^8919613109 is an apocalyptic number.

It is an amenable number.

8919613109 is a deficient number, since it is larger than the sum of its proper divisors (1037164843).

8919613109 is a wasteful number, since it uses less digits than its factorization.

8919613109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18857587.

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 8919613109 is about 94443.7033846090. The cubic root of 8919613109 is about 2073.8722751213.

The spelling of 8919613109 in words is "eight billion, nine hundred nineteen million, six hundred thirteen thousand, one hundred nine".