9947266052863 has 4 divisors (see below), whose sum is σ = 9981215766648. Its totient is φ = 9913316339080.

The previous prime is 9947266052827. The next prime is 9947266052879. The reversal of 9947266052863 is 3682506627499.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9947266052863 - 2³³ = 9938676118271 is a prime.

It is a super-3 number, since 3×9947266052863³ (a number of 40 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9947266052803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16974856453 + ... + 16974857038.

It is an arithmetic number, because the mean of its divisors is an integer number (2495303941662).

Almost surely, 2^{9947266052863} is an apocalyptic number.

9947266052863 is a deficient number, since it is larger than the sum of its proper divisors (33949713785).

9947266052863 is a wasteful number, since it uses less digits than its factorization.

9947266052863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33949713784.

The product of its (nonzero) digits is 235146240, while the sum is 67.

The spelling of 9947266052863 in words is "nine trillion, nine hundred forty-seven billion, two hundred sixty-six million, fifty-two thousand, eight hundred sixty-three".