9985068512749 has 4 divisors (see below), whose sum is σ = 10892802013920. Its totient is φ = 9077335011580.

The previous prime is 9985068512723. The next prime is 9985068512789. The reversal of 9985068512749 is 9472158605899.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 9985068512749 - 2¹³ = 9985068504557 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 (9985068512789) 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 3 ways as a sum of consecutive naturals, for example, 453866750569 + ... + 453866750590.

It is an arithmetic number, because the mean of its divisors is an integer number (2723200503480).

Almost surely, 2^{9985068512749} is an apocalyptic number.

It is an amenable number.

9985068512749 is a deficient number, since it is larger than the sum of its proper divisors (907733501171).

9985068512749 is a wasteful number, since it uses less digits than its factorization.

9985068512749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907733501170.

The product of its (nonzero) digits is 391910400, while the sum is 73.

The spelling of 9985068512749 in words is "nine trillion, nine hundred eighty-five billion, sixty-eight million, five hundred twelve thousand, seven hundred forty-nine".