2098171047 has 32 divisors (see below), whose sum is σ = 3305943040. Its totient is φ = 1158312960.

The previous prime is 2098170917. The next prime is 2098171069. The reversal of 2098171047 is 7401718902.

It is not a de Polignac number, because 2098171047 - 2¹⁰ = 2098170023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2098170996 and 2098171014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098170047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435729 + ... + 440517.

It is an arithmetic number, because the mean of its divisors is an integer number (103310720).

Almost surely, 2^2098171047 is an apocalyptic number.

2098171047 is a deficient number, since it is larger than the sum of its proper divisors (1207771993).

2098171047 is a wasteful number, since it uses less digits than its factorization.

2098171047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 2098171047 is about 45805.7970894515. The cubic root of 2098171047 is about 1280.2072920708.

Adding to 2098171047 its reverse (7401718902), we get a palindrome (9499889949).

The spelling of 2098171047 in words is "two billion, ninety-eight million, one hundred seventy-one thousand, forty-seven".