2063171998 has 16 divisors (see below), whose sum is σ = 3202560000. Its totient is φ = 995676192.

The previous prime is 2063171989. The next prime is 2063172043. The reversal of 2063171998 is 8991713602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293428 + ... + 300376.

It is an arithmetic number, because the mean of its divisors is an integer number (200160000).

Almost surely, 2^2063171998 is an apocalyptic number.

2063171998 is a deficient number, since it is larger than the sum of its proper divisors (1139388002).

2063171998 is a wasteful number, since it uses less digits than its factorization.

2063171998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12099.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 2063171998 is about 45422.1531634070. The cubic root of 2063171998 is about 1273.0490728240.

It can be divided in two parts, 20631 and 71998, that added together give a palindrome (92629).

The spelling of 2063171998 in words is "two billion, sixty-three million, one hundred seventy-one thousand, nine hundred ninety-eight".