9947105633 has 8 divisors (see below), whose sum is σ = 10092541800. Its totient is φ = 9801917568.

The previous prime is 9947105599. The next prime is 9947105639. The reversal of 9947105633 is 3365017499.

It can be written as a sum of positive squares in 4 ways, for example, as 940526224 + 9006579409 = 30668^2 + 94903^2 .

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 9947105633 - 2¹² = 9947101537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9947105639) 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, 19523 + ... + 142391.

It is an arithmetic number, because the mean of its divisors is an integer number (1261567725).

Almost surely, 2^9947105633 is an apocalyptic number.

It is an amenable number.

9947105633 is a deficient number, since it is larger than the sum of its proper divisors (145436167).

9947105633 is a wasteful number, since it uses less digits than its factorization.

9947105633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124051.

The product of its (nonzero) digits is 612360, while the sum is 47.

The square root of 9947105633 is about 99735.1775102446. The cubic root of 9947105633 is about 2150.6293908559.

The spelling of 9947105633 in words is "nine billion, nine hundred forty-seven million, one hundred five thousand, six hundred thirty-three".