9947752969 has 8 divisors (see below), whose sum is σ = 12402393408. Its totient is φ = 7751495760.

The previous prime is 9947752957. The next prime is 9947752973. The reversal of 9947752969 is 9692577499.

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 9947752969 - 2¹⁵ = 9947720201 is a prime.

It is a super-2 number, since 2×9947752969² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9947752939) 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, 64595722 + ... + 64595875.

It is an arithmetic number, because the mean of its divisors is an integer number (1550299176).

Almost surely, 2^9947752969 is an apocalyptic number.

It is an amenable number.

9947752969 is a deficient number, since it is larger than the sum of its proper divisors (2454640439).

9947752969 is a wasteful number, since it uses less digits than its factorization.

9947752969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129191615.

The product of its digits is 77157360, while the sum is 67.

The square root of 9947752969 is about 99738.4227316634. The cubic root of 9947752969 is about 2150.6760426050.

The spelling of 9947752969 in words is "nine billion, nine hundred forty-seven million, seven hundred fifty-two thousand, nine hundred sixty-nine".