49017590171 has 16 divisors (see below), whose sum is σ = 53934907776. Its totient is φ = 44545545000.

The previous prime is 49017590147. The next prime is 49017590177. The reversal of 49017590171 is 17109571094.

It is a de Polignac number, because none of the positive numbers 2^k-49017590171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49017590177) 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, 5387336 + ... + 5396426.

It is an arithmetic number, because the mean of its divisors is an integer number (3370931736).

Almost surely, 2^49017590171 is an apocalyptic number.

49017590171 is a deficient number, since it is larger than the sum of its proper divisors (4917317605).

49017590171 is an equidigital number, since it uses as much as digits as its factorization.

49017590171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13175 (or 13153 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 44.

The spelling of 49017590171 in words is "forty-nine billion, seventeen million, five hundred ninety thousand, one hundred seventy-one".