9647019649647 has 8 divisors (see below), whose sum is σ = 14291880962480. Its totient is φ = 6431346433080.

The previous prime is 9647019649633. The next prime is 9647019649651. The reversal of 9647019649647 is 7469469107469.

9647019649647 is a `hidden beast` number, since 9 + 6 + 4 + 7 + 0 + 1 + 96 + 496 + 47 = 666.

It is not a de Polignac number, because 9647019649647 - 2⁶ = 9647019649583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9647019649247) 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, 178648512004 + ... + 178648512057.

It is an arithmetic number, because the mean of its divisors is an integer number (1786485120310).

Almost surely, 2^{9647019649647} is an apocalyptic number.

9647019649647 is a deficient number, since it is larger than the sum of its proper divisors (4644861312833).

9647019649647 is a wasteful number, since it uses less digits than its factorization.

9647019649647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357297024070 (or 357297024064 counting only the distinct ones).

The product of its (nonzero) digits is 493807104, while the sum is 72.

The spelling of 9647019649647 in words is "nine trillion, six hundred forty-seven billion, nineteen million, six hundred forty-nine thousand, six hundred forty-seven".