538687050171 has 16 divisors (see below), whose sum is σ = 770317136640. Its totient is φ = 333804088800.

The previous prime is 538687050151. The next prime is 538687050179. The reversal of 538687050171 is 171050786835.

It is a de Polignac number, because none of the positive numbers 2^k-538687050171 is a prime.

It is a super-2 number, since 2×538687050171² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (538687050179) 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, 89154055 + ... + 89160096.

It is an arithmetic number, because the mean of its divisors is an integer number (48144821040).

Almost surely, 2^538687050171 is an apocalyptic number.

538687050171 is a deficient number, since it is larger than the sum of its proper divisors (231630086469).

538687050171 is a wasteful number, since it uses less digits than its factorization.

538687050171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178314226.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 538687050171 in words is "five hundred thirty-eight billion, six hundred eighty-seven million, fifty thousand, one hundred seventy-one".