9774840219 has 8 divisors (see below), whose sum is σ = 13599777792. Its totient is φ = 6233231400.

The previous prime is 9774840203. The next prime is 9774840221. The reversal of 9774840219 is 9120484779.

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

It is not a de Polignac number, because 9774840219 - 2⁴ = 9774840203 is a prime.

It is a super-2 number, since 2×9774840219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9774840269) 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, 70832107 + ... + 70832244.

It is an arithmetic number, because the mean of its divisors is an integer number (1699972224).

Almost surely, 2^9774840219 is an apocalyptic number.

9774840219 is a deficient number, since it is larger than the sum of its proper divisors (3824937573).

9774840219 is a wasteful number, since it uses less digits than its factorization.

9774840219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141664377.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 9774840219 is about 98867.7916158746. The cubic root of 9774840219 is about 2138.1420548978.

The spelling of 9774840219 in words is "nine billion, seven hundred seventy-four million, eight hundred forty thousand, two hundred nineteen".