9947117499 has 8 divisors (see below), whose sum is σ = 14468534592. Its totient is φ = 6028556040.

The previous prime is 9947117483. The next prime is 9947117501.

9947117499 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 9947117499 - 2⁴ = 9947117483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9947117419) 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, 150713869 + ... + 150713934.

It is an arithmetic number, because the mean of its divisors is an integer number (1808566824).

Almost surely, 2^9947117499 is an apocalyptic number.

9947117499 is a deficient number, since it is larger than the sum of its proper divisors (4521417093).

9947117499 is a wasteful number, since it uses less digits than its factorization.

9947117499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301427817.

The product of its digits is 5143824, while the sum is 60.

The square root of 9947117499 is about 99735.2369977632. The cubic root of 9947117499 is about 2150.6302460245.

The spelling of 9947117499 in words is "nine billion, nine hundred forty-seven million, one hundred seventeen thousand, four hundred ninety-nine".