9449749341791 has 16 divisors (see below), whose sum is σ = 10674270266400. Its totient is φ = 8286691459200.

The previous prime is 9449749341787. The next prime is 9449749341821. The reversal of 9449749341791 is 1971439479449.

It is not a de Polignac number, because 9449749341791 - 2² = 9449749341787 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 (9449749341691) 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 15 ways as a sum of consecutive naturals, for example, 13514480 + ... + 14196501.

It is an arithmetic number, because the mean of its divisors is an integer number (667141891650).

Almost surely, 2^{9449749341791} is an apocalyptic number.

9449749341791 is a deficient number, since it is larger than the sum of its proper divisors (1224520924609).

9449749341791 is a wasteful number, since it uses less digits than its factorization.

9449749341791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27712090.

The product of its digits is 246903552, while the sum is 71.

The spelling of 9449749341791 in words is "nine trillion, four hundred forty-nine billion, seven hundred forty-nine million, three hundred forty-one thousand, seven hundred ninety-one".