9449200849 has 9 divisors (see below), whose sum is σ = 10387487131. Its totient is φ = 8589210520.

The previous prime is 9449200841. The next prime is 9449200867. The reversal of 9449200849 is 9480029449.

The square root of 9449200849 is 97207.

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

It can be written as a sum of positive squares in only one way, i.e., 9444924225 + 4276624 = 97185^2 + 2068^2 .

It is not a de Polignac number, because 9449200849 - 2³ = 9449200841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9449200841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1064859 + ... + 1073695.

Almost surely, 2^9449200849 is an apocalyptic number.

9449200849 is the 97207-th square number.

9449200849 is the 48604-th centered octagonal number.

It is an amenable number.

9449200849 is a deficient number, since it is larger than the sum of its proper divisors (938286282).

9449200849 is an frugal number, since it uses more digits than its factorization.

9449200849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696 (or 8848 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The cubic root of 9449200849 is about 2114.1300215815.

Multiplying 9449200849 by its sum of digits (49), we get a square (463010841601 = 680449²).

The spelling of 9449200849 in words is "nine billion, four hundred forty-nine million, two hundred thousand, eight hundred forty-nine".