9849173049 has 15 divisors (see below), whose sum is σ = 14714296597. Its totient is φ = 6565519908.

The previous prime is 9849173039. The next prime is 9849173069. The reversal of 9849173049 is 9403719489.

The square root of 9849173049 is 99243.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 9849173049 - 2¹¹ = 9849171001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9849172986 and 9849173004.

It is not an unprimeable number, because it can be changed into a prime (9849173039) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 887674 + ... + 898700.

Almost surely, 2^9849173049 is an apocalyptic number.

9849173049 is the 99243-rd square number.

9849173049 is the 49622-nd centered octagonal number.

It is an amenable number.

9849173049 is a deficient number, since it is larger than the sum of its proper divisors (4865123548).

9849173049 is an frugal number, since it uses more digits than its factorization.

9849173049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22066 (or 11030 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The cubic root of 9849173049 is about 2143.5482121983.

The spelling of 9849173049 in words is "nine billion, eight hundred forty-nine million, one hundred seventy-three thousand, forty-nine".