9913765949847 has 8 divisors (see below), whose sum is σ = 14687060666480. Its totient is φ = 6609177299880.

The previous prime is 9913765949783. The next prime is 9913765949851. The reversal of 9913765949847 is 7489495673199.

9913765949847 is a `hidden beast` number, since 9 + 9 + 1 + 3 + 76 + 59 + 498 + 4 + 7 = 666.

It is not a de Polignac number, because 9913765949847 - 2⁶ = 9913765949783 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 (9913765945847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183588258304 + ... + 183588258357.

It is an arithmetic number, because the mean of its divisors is an integer number (1835882583310).

Almost surely, 2^{9913765949847} is an apocalyptic number.

9913765949847 is a deficient number, since it is larger than the sum of its proper divisors (4773294716633).

9913765949847 is a wasteful number, since it uses less digits than its factorization.

9913765949847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367176516670 (or 367176516664 counting only the distinct ones).

The product of its digits is 3703553280, while the sum is 81.

The spelling of 9913765949847 in words is "nine trillion, nine hundred thirteen billion, seven hundred sixty-five million, nine hundred forty-nine thousand, eight hundred forty-seven".