9997050219 has 8 divisors (see below), whose sum is σ = 14354738832. Its totient is φ = 6152030880.

The previous prime is 9997050197. The next prime is 9997050229. The reversal of 9997050219 is 9120507999.

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

It is not a de Polignac number, because 9997050219 - 2⁵ = 9997050187 is a prime.

It is a super-2 number, since 2×9997050219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9997050229) 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, 128167272 + ... + 128167349.

It is an arithmetic number, because the mean of its divisors is an integer number (1794342354).

Almost surely, 2^9997050219 is an apocalyptic number.

9997050219 is a deficient number, since it is larger than the sum of its proper divisors (4357688613).

9997050219 is a wasteful number, since it uses less digits than its factorization.

9997050219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256334637.

The product of its (nonzero) digits is 459270, while the sum is 51.

The square root of 9997050219 is about 99985.2500071886. The cubic root of 9997050219 is about 2154.2228321822. Note that the first 3 decimals are identical.

The spelling of 9997050219 in words is "nine billion, nine hundred ninety-seven million, fifty thousand, two hundred nineteen".