49159726173 has 8 divisors (see below), whose sum is σ = 72829224000. Its totient is φ = 32773150764.

The previous prime is 49159726169. The next prime is 49159726199. The reversal of 49159726173 is 37162795194.

49159726173 is a `hidden beast` number, since 4 + 9 + 15 + 9 + 7 + 2 + 617 + 3 = 666.

It is not a de Polignac number, because 49159726173 - 2² = 49159726169 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49159726103) 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 7 ways as a sum of consecutive naturals, for example, 910365273 + ... + 910365326.

It is an arithmetic number, because the mean of its divisors is an integer number (9103653000).

Almost surely, 2^49159726173 is an apocalyptic number.

It is an amenable number.

49159726173 is a deficient number, since it is larger than the sum of its proper divisors (23669497827).

49159726173 is a wasteful number, since it uses less digits than its factorization.

49159726173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1820730608 (or 1820730602 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The spelling of 49159726173 in words is "forty-nine billion, one hundred fifty-nine million, seven hundred twenty-six thousand, one hundred seventy-three".