805048171389 has 48 divisors (see below), whose sum is σ = 1455133814784. Its totient is φ = 416663546400.

The previous prime is 805048171351. The next prime is 805048171393. The reversal of 805048171389 is 983171840508.

805048171389 is a `hidden beast` number, since 8 + 0 + 50 + 48 + 171 + 389 = 666.

It is not a de Polignac number, because 805048171389 - 2²⁵ = 805014616957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805048171309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1955529 + ... + 2331134.

It is an arithmetic number, because the mean of its divisors is an integer number (30315287808).

Almost surely, 2^805048171389 is an apocalyptic number.

It is an amenable number.

805048171389 is a deficient number, since it is larger than the sum of its proper divisors (650085643395).

805048171389 is a wasteful number, since it uses less digits than its factorization.

805048171389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286958 (or 4286955 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 805048171389 in words is "eight hundred five billion, forty-eight million, one hundred seventy-one thousand, three hundred eighty-nine".