49043331791 has 16 divisors (see below), whose sum is σ = 53598013440. Its totient is φ = 44703329760.

The previous prime is 49043331763. The next prime is 49043331797. The reversal of 49043331791 is 19713334094.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49043331791 is a prime.

It is a super-2 number, since 2×49043331791² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) 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 (49043331797) 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, 138755 + ... + 342548.

It is an arithmetic number, because the mean of its divisors is an integer number (3349875840).

Almost surely, 2^49043331791 is an apocalyptic number.

49043331791 is a deficient number, since it is larger than the sum of its proper divisors (4554681649).

49043331791 is a wasteful number, since it uses less digits than its factorization.

49043331791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481526.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 49043331791 in words is "forty-nine billion, forty-three million, three hundred thirty-one thousand, seven hundred ninety-one".