49169649217 has 16 divisors (see below), whose sum is σ = 54930113280. Its totient is φ = 43719811200.

The previous prime is 49169649211. The next prime is 49169649233. The reversal of 49169649217 is 71294696194.

It is not a de Polignac number, because 49169649217 - 2¹¹ = 49169647169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49169649211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541759 + ... + 625972.

It is an arithmetic number, because the mean of its divisors is an integer number (3433132080).

Almost surely, 2^49169649217 is an apocalyptic number.

It is an amenable number.

49169649217 is a deficient number, since it is larger than the sum of its proper divisors (5760464063).

49169649217 is a wasteful number, since it uses less digits than its factorization.

49169649217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167864.

The product of its digits is 5878656, while the sum is 58.

The spelling of 49169649217 in words is "forty-nine billion, one hundred sixty-nine million, six hundred forty-nine thousand, two hundred seventeen".